Music

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Grooved side of the Voyager Golden Record launched along the Voyager probes to space, which feature music from around the world

The most general definition of music is the arrangement of sound to create some combination of form, harmony, melody, rhythm, or otherwise expressive content.[1][2][3]However, definitions of music vary depending on culture,[4] though it is an aspect of all human societies and a cultural universal.[5] While scholars agree that music is defined by a few specific elements, there is no consensus on their precise definitions.[6] The creation of music is commonly divided into musical composition, musical improvisation, and musical performance,[7] though the topic itself extends into academic disciplines, criticism, philosophy, psychology, and therapeutic contexts. Music may be performed using a vast range of instruments, including the human voice to sing, and thus is often credited for its extreme versatility and opportunity for creativity.[8]

In some musical contexts, a performance or composition may be to some extent

smartphones
.

Besides just

sound engineers, producers, tour organizers, distributors of instruments, accessories, and sheet music. Compositions, performances, and recordings are assessed and evaluated by music critics, music journalists, and music scholars
, as well as amateurs.

Etymology and terminology

Muses were the inspiration for many creative endeavors, including the arts
, and eventually became closely aligned with music specifically.

The modern English word '

Ancient Greek mythology who presided over the arts and sciences.[13][14] They were included in tales by the earliest Western authors, Homer and Hesiod,[15] and eventually came to be associated with music specifically.[14] Over time, Polyhymnia would reside over music more prominently than the other muses.[11] The Latin word musica was also the originator for both the Spanish música and French musique via spelling and linguistic adjustment, though other European terms were probably loanwords, including the Italian musica, German Musik, Dutch muziek, Norwegian musikk, Polish muzyka and Russian muzïka.[14]

The modern Western world usually defines music as an all-encompassing term used to describe diverse genres, styles, and traditions.[16] This is not the case worldwide, and languages such as modern Indonesian (musik) and Shona (musakazo) have recently adopted words to reflect this universal conception, as they did not have words that fit exactly the Western scope.[14] Before Western contact in East Asia, neither Japan nor China had a single word that encompasses music in a broad sense, but culturally, they often regarded music in such a fashion.[17] The closest word to mean music in Chinese, yue, shares a character with le, meaning joy, and originally referred to all the arts before narrowing in meaning.[17] Africa is too diverse to make firm generalizations, but the musicologist J. H. Kwabena Nketia has emphasized African music's often inseparable connection to dance and speech in general.[18] Some African cultures, such as the Songye people of the Democratic Republic of the Congo and the Tiv people of Nigeria, have a strong and broad conception of 'music' but no corresponding word in their native languages.[18] Other words commonly translated as 'music' often have more specific meanings in their respective cultures: the Hindi word for music, sangita, properly refers to art music,[19] while the many Indigenous languages of the Americas have words for music that refer specifically to song but describe instrumental music regardless.[20] Though the Arabic musiqi can refer to all music, it is usually used for instrumental and metric music, while khandan identifies vocal and improvised music.[21]

History

Origins and prehistory

Bone flute from Geissenklösterle, Germany, dated around c. 43,150–39,370 BP.[22]

It is often debated to what extent the origins of music will ever be understood,

divine, assisting in community cohesion or as a defense to scare off predators.[29]

mammoth ivory; three of these are near complete.[31] Three flutes from the Geissenklösterle are dated as the oldest, c. 43,150–39,370 BP.[22][n 3]

Antiquity

The earliest material and representational evidence of Egyptian musical instruments dates to the

Old Kingdom when harps, flutes and double clarinets were played.[32] Percussion instruments, lyres, and lutes were added to orchestras by the Middle Kingdom. Cymbals[33] frequently accompanied music and dance, much as they still do in Egypt today. Egyptian folk music, including the traditional Sufi dhikr rituals, are the closest contemporary music genre to ancient Egyptian music, having preserved many of its features, rhythms and instruments.[34][35]

The "Hurrian Hymn to Nikkal", found on clay tablets in the ancient Syrian city of Ugarit, is the oldest surviving notated work of music, dating back to approximately 1400 BCE.[36][37]

Music was an important part of social and cultural life in

classical music. Later, influences from the Roman Empire, Eastern Europe, and the Byzantine Empire changed Greek music. The Seikilos epitaph is the oldest surviving example of a complete musical composition, including musical notation, from anywhere in the world.[40] The oldest surviving work written on the subject of music theory is Harmonika Stoicheia by Aristoxenus.[41]

Asian cultures

Asian music covers a swath of music cultures surveyed in the articles on

Southeast Asia
. Several have traditions reaching into antiquity.

Indian women dressed in regional attire playing a variety of musical instruments popular in different parts of India

monophonic, and based on a single melody line or raga rhythmically organized through talas. The poem Cilappatikaram provides information about how new scales can be formed by modal shifting of the tonic from an existing scale.[46] Present day Hindi music was influenced by Persian traditional music and Afghan Mughals. Carnatic music
, popular in the southern states, is largely devotional; the majority of the songs are addressed to the Hindu deities. There are songs emphasizing love and other social issues.

Indonesia is the home of gong chime, there are variants across Indonesia, especially in Java and Bali.

spike fiddles along with bamboo suling (like a flute).[47][48]

diatonic, having a scale of twelve notes to an octave (5 + 7 = 12) as does European-influenced music.[49]

Western classical

Early music

Musical notation from a Catholic Missal, c. 1310–1320

The medieval music era (500 to 1400), which took place during the Middle Ages, started with the introduction of monophonic (single melodic line) chanting into Catholic Church services. Musical notation was used since ancient times in Greek culture, but in the Middle Ages, notation was first introduced by the Catholic Church, so chant melodies could be written down, to facilitate the use of the same melodies for religious music across the Catholic empire. The only European Medieval repertory that has been found, in written form, from before 800 is the monophonic liturgical plainsong chant of the Catholic Church, the central tradition of which was called Gregorian chant. Alongside these traditions of sacred and church music there existed a vibrant tradition of secular song (non-religious songs). Examples of composers from this period are Léonin, Pérotin, Guillaume de Machaut, and Walther von der Vogelweide.[50][51][52][53]

Renaissance music (c. 1400 to 1600) was more focused on secular themes, such as courtly love. Around 1450, the printing press was invented, which made printed sheet music much less expensive and easier to mass-produce (prior to the invention of the press, all notated music was hand-copied). The increased availability of sheet music spread musical styles quicker and across a larger area. Musicians and singers often worked for the church, courts and towns. Church choirs grew in size, and the church remained an important patron of music. By the middle of the 15th century, composers wrote richly polyphonic sacred music, in which different melody lines were interwoven simultaneously. Prominent composers from this era include Guillaume Du Fay, Giovanni Pierluigi da Palestrina, Thomas Morley, Orlando di Lasso and Josquin des Prez. As musical activity shifted from the church to aristocratic courts, kings, queens and princes competed for the finest composers. Many leading composers came from the Netherlands, Belgium, and France; they are called the Franco-Flemish composers.[54] They held important positions throughout Europe, especially in Italy. Other countries with vibrant musical activity included Germany, England, and Spain.

Common practice period

Baroque

The Baroque era of music took place from 1600 to 1750, as the

).

Classicism
Wolfgang Amadeus Mozart was a prolific and influential composer of the Classical period.

The music of the Classical period (1730 to 1820) aimed to imitate what were seen as the key elements of the art and philosophy of Ancient Greece and Rome: the ideals of balance, proportion and disciplined expression. (Note: the music from the Classical period should not be confused with Classical music in general, a term which refers to Western art music from the 5th century to the 2000s, which includes the Classical period as one of a number of periods). Music from the Classical period has a lighter, clearer and considerably simpler texture than the Baroque music which preceded it. The main style was homophony,[56] where a prominent melody and a subordinate chordal accompaniment part are clearly distinct. Classical instrumental melodies tended to be almost voicelike and singable. New genres were developed, and the fortepiano, the forerunner to the modern piano, replaced the Baroque era harpsichord and pipe organ as the main keyboard instrument (though pipe organ continued to be used in sacred music, such as Masses).

Importance was given to instrumental music. It was dominated by further development of musical forms initially defined in the Baroque period: the sonata, the concerto, and the symphony. Other main kinds were the trio, string quartet, serenade and divertimento. The sonata was the most important and developed form. Although Baroque composers also wrote sonatas, the Classical style of sonata is completely distinct. All of the main instrumental forms of the Classical era, from string quartets to symphonies and concertos, were based on the structure of the sonata. The instruments used chamber music and orchestra became more standardized. In place of the basso continuo group of the Baroque era, which consisted of harpsichord, organ or lute along with a number of bass instruments selected at the discretion of the group leader (e.g., viol, cello, theorbo, serpent), Classical chamber groups used specified, standardized instruments (e.g., a string quartet would be performed by two violins, a viola and a cello). The practice of improvised chord-playing by the continuo keyboardist or lute player, a hallmark of Baroque music, underwent a gradual decline between 1750-1800.[57]

One of the most important changes made in the Classical period was the development of public concerts. The aristocracy still played a significant role in the sponsorship of concerts and compositions, but it was now possible for composers to survive without being permanent employees of queens or princes. The increasing popularity of classical music led to a growth in the number and types of orchestras. The expansion of orchestral concerts necessitated the building of large public performance spaces. Symphonic music including symphonies, musical accompaniment to ballet and mixed vocal/instrumental genres, such as opera and oratorio, became more popular.[58][59][60]

The best known composers of Classicism are Carl Philipp Emanuel Bach, Christoph Willibald Gluck, Johann Christian Bach, Joseph Haydn, Wolfgang Amadeus Mozart, Ludwig van Beethoven and Franz Schubert. Beethoven and Schubert are also considered to be composers in the later part of the Classical era, as it began to move towards Romanticism.

Romanticism
The piano was the centrepiece of social activity for middle-class urbanites in the 19th century (Moritz von Schwind, 1868). The man at the piano is composer Franz Schubert.

Romantic music (c. 1820 to 1900) from the 19th century had many elements in common with the

tone poems, composers tried to tell stories and evoke images or landscapes using instrumental music. Some composers promoted nationalistic pride with patriotic orchestral music inspired by folk music. The emotional and expressive qualities of music came to take precedence over tradition.[61]

Romantic composers grew in idiosyncrasy, and went further in the

Romantic love or longing was a prevalent theme in many works composed during this period. In some cases, the formal structures from the classical period continued to be used (e.g., the sonata form used in string quartets and symphonies), but these forms were expanded and altered. In many cases, new approaches were explored for existing genres, forms, and functions. Also, new forms were created that were deemed better suited to the new subject matter. Composers continued to develop opera and ballet music, exploring new styles and themes.[38]

In the years after 1800, the music developed by

industrial revolution helped to create better instruments, creating a more powerful sound. Public concerts became an important part of well-to-do urban society. It also saw a new diversity in theatre music, including operetta, and musical comedy and other forms of musical theatre.[38]

20th and 21st century

Landman's 2006 Moodswinger, a 3rd-bridged overtone zither and an example of experimental musical instruments

In the 19th century, a key way new compositions became known to the public, was by the sales of

sound recordings heard by listeners (on the radio or record player), became the main way to learn about new songs and pieces.[62] There was a vast increase in music listening as the radio gained popularity and phonographs were used to replay and distribute music, anyone with a radio or record player could hear operas, symphonies and big bands in their own living room. During the 19th century, the focus on sheet music had restricted access to new music to middle and upper-class people who could read music and who owned pianos and other instruments. Radios and record players allowed lower-income people, who could not afford an opera or symphony concert ticket to hear this music. It meant people could hear music from different parts of the country, or even different parts of the world, even if they could not afford to travel to these locations. This helped to spread musical styles.[63]

The focus of

acousmatic[64] and Musique concrète schools of electronic composition. Sound recording was a major influence on the development of popular music genres, because it enabled recordings of songs and bands to be widely distributed. The introduction of the multitrack recording system had a major influence on rock music, because it could do more than record a band's performance. Using a multitrack system, a band and their music producer could overdub many layers of instrument tracks and vocals, creating new sounds that would not be possible in a live performance.[65][66]

Jazz evolved and became an important genre of music over the course of the 20th century, and during the second half, rock music did the same. Jazz is an American musical artform that originated in the beginning of the 20th century, in African American communities in the Southern United States from a confluence of

شيرين
Sherine

Rock music is a genre of

DJs in their bands. DJs create music by manipulating recorded music, using a DJ mixer.[70][71]

Innovation in music technology continued into the 21st century, including the development of

Dynamic Tonality
.

Creation

Composition

French Baroque music composer Michel Richard Delalande (1657–1726), pen in hand
People composing music in 2013 using electronic keyboards and computers

"Composition" is the act or practice of creating a song, an

music notation, such as a sheet music "score", which is then performed by the composer or by other singers or musicians. In popular music and traditional music, the act of composing, which is typically called songwriting, may involve the creation of a basic outline of the song, called the lead sheet, which sets out the melody, lyrics and chord progression. In classical music, the composer typically orchestrates his or her own compositions, but in musical theatre and in pop music, songwriters may hire an arranger to do the orchestration. In some cases, a songwriter may not use notation at all, and instead, compose the song in her mind and then play or record it from memory. In jazz and popular music, notable recordings by influential performers are given the weight that written scores play in classical music.[72][73]

Even when music is notated relatively precisely, as in classical music, there are many decisions that a performer has to make, because notation does not specify all of the elements of music precisely. The process of deciding how to perform music that has been previously composed and notated is termed "interpretation". Different performers' interpretations of the same work of music can vary widely, in terms of the tempos that are chosen and the playing or singing style or phrasing of the melodies. Composers and songwriters who present their own music are interpreting their songs, just as much as those who perform the music of others. The standard body of choices and techniques present at a given time and a given place is referred to as performance practice, whereas interpretation is generally used to mean the individual choices of a performer.[74]

Although a musical composition often uses

wind chimes
jingling in a breeze.

The study of composition has traditionally been dominated by examination of methods and practice of Western classical music, but the definition of composition is broad enough to include the creation of

improvised works like those of free jazz performers and African percussionists such as Ewe drummers
.

Performance

Naxi
musicians
Assyrians playing zurna and Davul, instruments that go back thousands of years

Performance is the physical expression of music, which occurs when a song is sung or piano piece, guitar melody, symphony, drum beat or other

cover song, they can make changes such as adding a guitar solo or inserting an introduction.[76]

A performance can either be planned out and rehearsed (practiced)—which is the norm in classical music, jazz big bands, and many popular music styles–or improvised over a chord progression (a sequence of chords), which is the norm in small jazz and blues groups. Rehearsals of orchestras, concert bands and choirs are led by a conductor. Rock, blues and jazz bands are usually led by the bandleader. A rehearsal is a structured repetition of a song or piece by the performers until it can be sung or played correctly and, if it is a song or piece for more than one musician, until the parts are together from a rhythmic and tuning perspective.

Many cultures have strong traditions of solo performance (in which one singer or instrumentalist performs), such as in Indian classical music, and in the Western art-music tradition. Other cultures, such as in Bali, include strong traditions of group performance. All cultures include a mixture of both, and performance may range from improvised solo playing to highly planned and organized performances such as the modern classical concert, religious processions, classical music festivals or music competitions. Chamber music, which is music for a small ensemble with only one or a few of each type of instrument, is often seen as more intimate than large symphonic works.[77]

Improvisation

Musical improvisation is the creation of spontaneous music, often within (or based on) a pre-existing harmonic framework,

riffs. Improvisers use the notes of the chord, various scales that are associated with each chord, and chromatic ornaments and passing tones which may be neither chord tones nor from the typical scales associated with a chord. Musical improvisation can be done with or without preparation. Improvisation is a major part of some types of music, such as blues, jazz, and jazz fusion, in which instrumental performers improvise solos, melody lines, and accompaniment parts.[78]

In the Western art music tradition, improvisation was an important skill during the Baroque era and during the Classical era. In the Baroque era, performers improvised ornaments, and

chord voicings based on figured bass notation. As well, the top soloists were expected to be able to improvise pieces such as preludes. In the Classical era, solo performers and singers improvised virtuoso cadenzas
during concerts.

However, in the 20th and early 21st century, as "common practice" Western art music performance became institutionalized in symphony orchestras, opera houses, and ballets, improvisation has played a smaller role, as more and more music was notated in scores and parts for musicians to play. At the same time, some 20th and 21st century art music composers have increasingly included improvisation in their creative work. In Indian classical music, improvisation is a core component and an essential criterion of performances.

Art and entertainment

grand piano

Music is composed and performed for many purposes, ranging from aesthetic pleasure, religious or ceremonial purposes, or as an entertainment product for the marketplace. When music was only available through

mix tapes of favourite songs, which serve as a "self-portrait, a gesture of friendship, prescription for an ideal party... [and] an environment consisting solely of what is most ardently loved".[79]

Amateur musicians can compose or perform music for their own pleasure and derive income elsewhere.

Professional musicians are employed by institutions and organisations, including armed forces (in marching bands, concert bands and popular music groups), religious institutions, symphony orchestras, broadcasting or film production companies, and music schools. Professional musicians sometimes work as freelancers or session musicians, seeking contracts and engagements in a variety of settings. There are often many links between amateur and professional musicians. Beginning amateur musicians take lessons with professional musicians. In community settings, advanced amateur musicians perform with professional musicians in a variety of ensembles such as community concert bands
and community orchestras.

A distinction is often made between music performed for a live audience and music that is performed in a studio so that it can be recorded and distributed through the music retail system or the broadcasting system. However, there are also many cases where a live performance in front of an audience is also recorded and distributed. Live concert recordings are popular in both classical music and in popular music forms such as rock, where illegally taped live concerts are prized by music lovers. In the jam band scene, live, improvised jam sessions are preferred to studio recordings.[80]

Notation

Adeste Fideles" in standard two-staff format for mixed voices. play

Music notation typically means the written expression of music notes and rhythms on paper using symbols. When music is written down, the pitches and rhythm of the music, such as the notes of a

performance practice
associated with a particular song or piece's genre.

Written notation varies with the style and period of music. Nowadays, notated music is produced as

computer screen. In ancient times, music notation was put onto stone or clay tablets.[37] To perform music from notation, a singer or instrumentalist requires an understanding of the rhythmic and pitch elements embodied in the symbols and the performance practice that is associated with a piece of music or genre. In genres requiring musical improvisation, the performer often plays from music where only the chord changes and form of the song are written, requiring the performer to have a great understanding of the music's structure, harmony and the styles of a particular genre e.g., jazz or country music
.

In Western art music, the most common types of written notation are scores, which include all the music parts of an ensemble piece, and parts, which are the music notation for the individual performers or singers. In popular music, jazz, and blues, the standard musical notation is the lead sheet, which notates the melody, chords, lyrics (if it is a vocal piece), and structure of the music. Fake books are also used in jazz; they may consist of lead sheets or simply chord charts, which permit rhythm section members to improvise an accompaniment part to jazz songs. Scores and parts are also used in popular music and jazz, particularly in large ensembles such as jazz "big bands." In popular music, guitarists and electric bass players often read music notated in tablature (often abbreviated as "tab"), which indicates the location of the notes to be played on the instrument using a diagram of the guitar or bass fingerboard. Tablature was used in the Baroque era to notate music for the lute, a stringed, fretted instrument.[81]

Oral and aural tradition

Many types of music, such as traditional

by ear". When the composer of a song or piece is no longer known, this music is often classified as "traditional" or as a "folk song". Different musical traditions have different attitudes towards how and where to make changes to the original source material, from quite strict, to those that demand improvisation or modification to the music. A culture's history and stories may also be passed on by ear through song.[82]

Elements

Music has many different fundamentals or elements. Depending on the definition of "element" being used, these can include pitch, beat or pulse, tempo, rhythm, melody, harmony, texture, style, allocation of voices, timbre or color, dynamics, expression, articulation, form, and structure. The elements of music feature prominently in the music curriculums of Australia, the UK, and the US. All three curriculums identify pitch, dynamics, timbre, and texture as elements, but the other identified elements of music are far from universally agreed upon. Below is a list of the three official versions of the "elements of music":

  • Australia: pitch, timbre, texture, dynamics and expression, rhythm, form and structure.[83]
  • UK: pitch, timbre, texture, dynamics, duration, tempo, structure.[84]
  • USA: pitch, timbre, texture, dynamics, rhythm, form, harmony, style/articulation.[85]

In relation to the UK curriculum, in 2013 the term: "appropriate musical notations" was added to their list of elements and the title of the list was changed from the "elements of music" to the "inter-related dimensions of music". The inter-related dimensions of music are listed as: pitch, duration, dynamics, tempo, timbre, texture, structure, and appropriate musical notations.[86]

The phrase "the elements of music" is used in a number of different contexts. The two most common contexts can be differentiated by describing them as the "rudimentary elements of music" and the "perceptual elements of music".[n 4]

Pitch

Pitch is an aspect of a sound that we can hear, reflecting whether one musical sound, note, or tone is "higher" or "lower" than another musical sound, note, or tone. We can talk about the highness or lowness of pitch in the more general sense, such as the way a listener hears a piercingly high piccolo note or whistling tone as higher in pitch than a deep thump of a bass drum. We also talk about pitch in the precise sense associated with musical melodies, basslines and chords. Precise pitch can only be determined in sounds that have a frequency that is clear and stable enough to distinguish from noise. For example, it is much easier for listeners to discern the pitch of a single note played on a piano than to try to discern the pitch of a crash cymbal that is struck.[91]

Melody

The melody to the traditional song "Pop Goes the Weasel" play

A melody, also called a "tune", is a series of pitches (notes) sounding in succession (one after the other), often in a rising and falling pattern. The notes of a melody are typically created using pitch systems such as

whole tone scale (a whole tone scale in the key of C would contain the notes C, D, E, F, G and A). A low musical line played by bass instruments, such as double bass, electric bass, or tuba, is called a bassline.[92]

Harmony

A player performing a chord (combination of many different notes) on a guitar

Harmony refers to the "vertical" sounds of pitches in music, which means pitches that are played or sung together at the same time to create a chord. Usually, this means the notes are played at the same time, although harmony may also be implied by a melody that outlines a harmonic structure (i.e., by using melody notes that are played one after the other, outlining the notes of a chord). In music written using the system of major-minor tonality ("keys"), which includes most classical music written from 1600 to 1900 and most Western pop, rock, and traditional music, the key of a piece determines the "home note" or tonic to which the piece generally resolves, and the character (e.g. major or minor) of the scale in use. Simple classical pieces and many pop and traditional music songs are written so that all the music is in a single key. More complex Classical, pop, and traditional music songs and pieces may have two keys (and in some cases three or more keys). Classical music from the Romantic era (written from about 1820–1900) often contains multiple keys,[93] as does jazz, especially Bebop jazz from the 1940s, in which the key or "home note" of a song may change every four bars or even every two bars.[94]

Rhythm

Rhythm is the arrangement of sounds and silences in time.

bluegrass, double bass) and a drum kit player.[95]

Texture

Musical texture is the overall sound of a piece of music or song. The texture of a piece or song is determined by how the melodic, rhythmic, and harmonic materials are combined in a composition, thus determining the overall nature of the sound in a piece. Texture is often described in regard to the density, or thickness, and range, or width, between lowest and highest pitches, in relative terms as well as more specifically distinguished according to the number of voices, or parts, and the relationship between these voices (see common types below). For example, a thick texture contains many 'layers' of instruments. One layer can be a string section or another brass. The thickness is affected by the amount and the richness of the instruments.[96] Texture is commonly described according to the number of and relationship between parts or lines of music:

Music that contains a large number of independent parts (e.g., a double concerto accompanied by 100 orchestral instruments with many interweaving melodic lines) is generally said to have a "thicker" or "denser" texture than a work with few parts (e.g., a solo flute melody accompanied by a single cello).

Timbre

Spectrogram of the first second of an E9 suspended chord played on a Fender Stratocaster guitar. Below is the E9 suspended chord audio:

Timbre, sometimes called "color" or "tone color" is the quality or sound of a voice or instrument.

steel strings
). Even two instrumentalists playing the same note on the same instrument (one after the other) may sound different due to different ways of playing the instrument (e.g., two string players might hold the bow differently).

The physical characteristics of sound that determine the perception of timbre include the

equalizer controls, tone controls on the instrument, and by using electronic effects units such as distortion pedals. The tone of the electric Hammond organ is controlled by adjusting drawbars
.

Expression

Expressive qualities are those elements in music that create change in music without changing the main pitches or substantially changing the rhythms of the melody and its accompaniment. Performers, including singers and instrumentalists, can add musical expression to a song or piece by adding

cadence, and by changing the articulation of the notes (e.g., making notes more pronounced or accented, by making notes more legato
, which means smoothly connected, or by making notes shorter).

Expression is achieved through the manipulation of pitch (such as inflection, vibrato, slides etc.), volume (dynamics, accent, tremolo etc.), duration (tempo fluctuations, rhythmic changes, changing note duration such as with legato and staccato, etc.), timbre (e.g. changing vocal timbre from a light to a resonant voice) and sometimes even texture (e.g. doubling the bass note for a richer effect in a piano piece). Expression therefore can be seen as a manipulation of all elements to convey "an indication of mood, spirit, character etc."[98] and as such cannot be included as a unique perceptual element of music,[99] although it can be considered an important rudimentary element of music.

Form

Sheet music notation for the chorus (refrain) of the Christmas song "Jingle Bells" Jingle Bells refrain vector.mid

In music,

twelve bar blues.[102]

In the tenth edition of

.

Scholes states that European classical music had only six stand-alone forms: simple binary, simple ternary, compound binary, rondo, air with variations, and fugue (although musicologist Alfred Mann emphasized that the fugue is primarily a method of composition that has sometimes taken on certain structural conventions.[104])

Where a piece cannot readily be broken into sectional units (though it might borrow some form from a poem, story or

etude (or study), symphonic poem, Bagatelle, impromptu or similar composition.[105] Professor Charles Keil classified forms and formal detail as "sectional, developmental, or variational."[106]

Philosophy

The Woman in Red by Giovanni Boldini

The philosophy of music is the study of fundamental questions regarding music and has connections with questions in metaphysics and aesthetics. Questions include:

  • What is the
    necessary and sufficient
    conditions for classifying something as music?)
  • What is the relationship between music and mind?
  • What does music history reveal to us about the world?
  • What is the connection between music and emotions?
  • What is meaning in relation to music?

In ancient times, such as with the

sensory perception, received its present-day connotation. In the 2000s, philosophers have tended to emphasize issues besides beauty and enjoyment. For example, music's capacity to express emotion has been foregrounded.[107]

In the 20th century, important contributions were made by

musical scales. Modern composers like La Monte Young, Rhys Chatham and Glenn Branca paid much attention to a scale called just intonation.[108][109][110]

It is often thought that music has the ability to affect our

philosopher Plato suggests in The Republic that music has a direct effect on the soul. Therefore, he proposes that in the ideal regime music would be closely regulated by the state (Book VII).[111] In Ancient China, the philosopher Confucius believed that music and rituals or rites are interconnected and harmonious with nature; he stated that music was the harmonization of heaven and earth, while the order was brought by the rites order, making them extremely crucial functions in society.[112]

Psychology

Modern music psychology aims to explain and understand musical

composition, education, criticism, and therapy, as well as investigations of human aptitude, skill, intelligence, creativity, and social behavior
.

Neuroscience

primary auditory cortex
is one of the main areas associated with superior pitch resolution.

Cognitive neuroscience of music is the scientific study of brain-based mechanisms involved in the cognitive processes underlying music. These behaviours include music listening, performing, composing, reading, writing, and ancillary activities. It also is increasingly concerned with the brain basis for musical aesthetics and musical emotion. The field is distinguished by its reliance on direct observations of the brain, using such techniques as functional magnetic resonance imaging (fMRI), transcranial magnetic stimulation (TMS), magnetoencephalography (MEG), electroencephalography (EEG), and positron emission tomography (PET).

Cognitive musicology

Cognitive musicology is a branch of

computationally modeling musical knowledge with the goal of understanding both music and cognition.[114] The use of computer models provides an exacting, interactive medium in which to formulate and test theories and has roots in artificial intelligence and cognitive science.[115]

This interdisciplinary field investigates topics such as the parallels between language and music in the brain. Biologically inspired models of computation are often included in research, such as neural networks and evolutionary programs.[116] This field seeks to model how musical knowledge is represented, stored, perceived, performed, and generated. By using a well-structured computer environment, the systematic structures of these cognitive phenomena can be investigated.[117]

Psychoacoustics

Psychoacoustics is the scientific study of sound perception. More specifically, it is the branch of science studying the

physiological responses associated with sound (including speech and music). It can be further categorized as a branch of psychophysics
.

Evolutionary musicology

Evolutionary musicology concerns the "origins of music, the question of animal song, selection pressures underlying music evolution", and "music evolution and human evolution".

linguistic evolution; a type of "auditory cheesecake" that pleases the senses without providing any adaptive function.[123] This view has been directly countered by numerous music researchers.[124][125][126]

Cultural effects

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