Theremin
Electrophone) | |
Inventor(s) | Leon Theremin |
---|---|
Developed | 1920; patented in 1928 |
The theremin (/ˈθɛrəmɪn/; originally known as the ætherphone, etherphone, thereminophone[2] or termenvox/ thereminvox) is an electronic musical instrument controlled without physical contact by the performer (who is known as a thereminist). It is named after its inventor, Leon Theremin, who patented the device in 1928.
The instrument's controlling section usually consists of two metal antennas which function not as
The sound of the instrument is often associated with
History
The theremin was the product of Soviet government-sponsored research into proximity sensors. The instrument was invented in October 1920 by the Russian physicist Lev Sergeyevich Termen, known in the West as Leon Theremin.[3][4] After a lengthy tour of Europe, during which time he demonstrated his invention to packed houses, Theremin moved to the United States, where he patented his invention in 1928.[5] Subsequently, Theremin granted commercial production rights to RCA.
Although the RCA Thereminvox (released immediately following the Stock Market Crash of 1929) was not a commercial success, it fascinated audiences in America and abroad. Clara Rockmore, a well-known thereminist, toured to wide acclaim, performing a classical repertoire in concert halls around the United States, often sharing the bill with Paul Robeson.
During the 1930s, Lucie Bigelow Rosen was also taken with the theremin and together with her husband Walter Bigelow Rosen provided both financial and artistic support to the development and popularisation of the instrument.[6][7]
In 1938, Theremin left the United States, though the circumstances related to his departure are in dispute. Many accounts claim he was taken from his New York City apartment by NKVD agents (preceding the KGB),[8] taken back to the Soviet Union and made to work in a sharashka laboratory prison camp at Magadan, Siberia. He reappeared 30 years later. In his 2000 biography of the inventor, Theremin: Ether Music and Espionage, Albert Glinsky suggested he had fled to escape crushing personal debts, and was then caught up in Stalin's political purges. In any case, Theremin did not return to the United States until 1991.[9]
After a flurry of interest in America following the end of the Second World War, the theremin soon fell into disuse with serious musicians, mainly because newer electronic instruments were introduced that were easier to play. However, a niche interest in the theremin persisted, mostly among electronics enthusiasts and kit-building hobbyists. One of these electronics enthusiasts, Robert Moog, began building theremins in the 1950s, while he was a high-school student. Moog subsequently published a number of articles about building theremins, and sold theremin kits that were intended to be assembled by the customer. Moog credited what he learned from the experience as leading directly to his groundbreaking synthesizer, the Moog. (Around 1955, a colleague of Moog's, electronic music pioneer Raymond Scott, purchased one of Moog's theremin subassemblies to incorporate into a new invention, the Clavivox, which was intended to be an easy-to-use keyboard theremin.)[10][11]
Since the release of the film Theremin: An Electronic Odyssey in 1993, the instrument has enjoyed a resurgence in interest and has become more widely used by contemporary musicians. Even though many theremin sounds can be approximated on many modern synthesizers, some musicians continue to appreciate the expressiveness, novelty, and uniqueness of using an actual theremin. The film itself has received positive reviews.[12]
Both theremin instruments and kits are available. The Open Theremin, an
The theremin's singular operation method has been praised for providing an accessible route to music-making for people with disabilities.[15]
Operating principles
The theremin is distinguished among musical instruments in that it is played without physical contact. The thereminist stands in front of the instrument and moves their hands in the proximity of two metal antennas. While commonly called antennas, they are not used as
Most frequently, the right hand controls the pitch and the left controls the volume, although some performers reverse this arrangement. Some low-cost theremins use a conventional, knob-operated volume control and have only the pitch antenna.
The theremin uses the heterodyne principle to generate an audio signal. The instrument's pitch circuitry includes two radio frequency oscillators set below 500 kHz to minimize radio interference. One oscillator operates at a fixed frequency. The frequency of the other oscillator is almost identical, and is controlled by the performer's distance from the pitch control antenna.
The performer's hand has significant body capacitance, and thus can be treated as the grounded plate of a variable capacitor in an L-C (inductance-capacitance) circuit, which is part of the oscillator and determines its frequency. In the simplest designs, the antenna is directly coupled to the tuned circuit of the oscillator and the 'pitch field', that is the change of note with distance, is highly nonlinear, as the capacitance change with distance is far greater near the antenna. In such systems, when the antenna is removed, the oscillator moves up in frequency.
To partly linearise the pitch field, the antenna may be wired in series with an inductor to form a series
When the hand is distant from the antenna, the resonant frequency of the antenna series circuit is at its highest; i.e., it is closest to the free running frequency of the oscillator, and small changes in antenna capacitance have greatest effect. Under this condition, the effective inductance in the tank circuit is at its minimum and the oscillation frequency is at its maximum. The steepening rate of change of shunt impedance with hand position compensates for the reduced influence of the hand being further away. With careful tuning, a near linear region of pitch field can be created over the central two or three octaves of operation. Using optimized pitch field linearisation, circuits can be made where a change in capacitance between the performer and the instrument in the order of 0.01 picofarads produces a full octave of frequency shift.[16]
The mixer produces the audio-range difference between the frequencies of the two oscillators at each moment, which is the tone that is then wave shaped and amplified and sent to a loudspeaker.
To control volume, the performer's other hand acts as the grounded plate of another variable capacitor. As in the tone circuit, the distance between the performer's hand and the volume control antenna determines the capacitance and hence natural resonant frequency of an LC circuit inductively coupled to another fixed LC oscillator circuit operating at a slightly higher resonant frequency. When a hand approaches the antenna, the natural frequency of that circuit is lowered by the extra capacitance, which detunes the oscillator and lowers its resonant plate current.
In the earliest theremins, the radio frequency plate current of the oscillator is picked up by another winding and used to power the filament of another diode-connected triode, which thus acts as a variable conductance element changing the output amplitude.[17] The harmonic timbre of the output, not being a pure tone, was an important feature of the theremin.[18] Theremin's original design included audio frequency series/parallel LC formant filters as well as a 3-winding variable-saturation transformer to control or induce harmonics in the audio output.[5]
Modern circuit designs often simplify this circuit and avoid the complexity of two heterodyne oscillators by having a single pitch oscillator, akin to the original theremin's volume circuit. This approach is usually less stable and cannot generate the low frequencies that a heterodyne oscillator can. Better designs (e.g., Moog, Theremax) may use two pairs of heterodyne oscillators, for both pitch and volume.[19]
Performance technique
Important in theremin articulation is the use of the volume control antenna. Unlike touched instruments, where simply halting play or damping a resonator in the traditional sense silences the instrument, the thereminist must "play the rests, as well as the notes", as Clara Rockmore observed.[20]
If the pitch hand is moved between notes, without first lowering the volume hand, the result is a "swooping" sound akin to a
Thereminists such as Carolina Eyck use a fixed arm position per octave, and use fixed positions of the fingers to create the notes within the octave, allowing very fast transitions between adjacent notes.[21]
Although volume technique is less developed than pitch technique, some thereminists have worked to extend it, especially
The critic Harold C. Schonberg described the sound of the theremin as "[a] cello lost in a dense fog, crying because it does not know how to get home."[23]
Uses
Concert music
The first orchestral composition written for theremin was Andrei Pashchenko's Symphonic Mystery, which premiered in 1924.[24] However, most of the sheet music was lost after its second performance.[25]
Other concert composers who have written for theremin include Bohuslav Martinů,[26] Percy Grainger,[26] Christian Wolff,[26] Joseph Schillinger,[26] Moritz Eggert,[27] Iraida Yusupova,[27] Jorge Antunes,[26] Vladimir Komarov,[26] Anis Fuleihan,[28][29] and Fazıl Say.[30] Another large-scale theremin concerto is Kalevi Aho's Concerto for Theremin and Chamber Orchestra "Eight Seasons" (2011), written for Carolina Eyck.
Edgard Varèse completed the composition "Equatorial" for two theremin cellos and percussion in 1934. His work was a stated influence throughout the career of Frank Zappa,[31] who also composed for theremin.[32]
Maverick composer Percy Grainger chose to use ensembles of four or six theremins (in preference to a string quartet) for his two earliest experimental Free Music compositions (1935–1937) because of the instrument's complete 'gliding' freedom of pitch.[33][34]
Musician Jean-Michel Jarre used the instrument in his concerts Oxygen In Moscow and Space of Freedom[35] in Gdańsk, providing also a short history of Léon Theremin's life.
The five-piece Spaghetti Western Orchestra use a theremin as a replacement for Edda Dell'Orso's vocals in their interpretation of Ennio Morricone's "Once Upon a Time in the West".[36]
Other notable contemporary theremin players include Pamelia Kurstin,[37] Peter Theremin, Natasha Theremin, Katica Illényi.[38] and Lydia Kavina,[39] Dutch classical musician Thorwald Jørgensen has been described as "one of the most important exponents of classical music on the theremin".[40]
In 2019 a group of 289 theremin players (Matryomin ensemble) (including daughter, granddaughter and great-grandson Lev Theremin – Natasha Theremin, Masha Theremin and Peter Theremin) in Kobu, Japan, achieved a
Popular music
Theremins and theremin-like sounds started to be incorporated into popular music from the end of the 1940s (with a series of Samuel Hoffman/Harry Revel collaborations)[43] and has continued, with various degrees of popularity, to the present.
Lothar and the Hand People were the first rock band known to perform live with a theremin in November 1965. In fact, Lothar was the name they gave to their Moog theremin.[44]
The Beach Boys' 1966 single "Good Vibrations"—though it does not technically contain a theremin—is the most frequently cited example of the instrument in pop music. The song actually features a similar-sounding instrument invented by Paul Tanner called an Electro-Theremin.[45] Upon release, the single prompted an unexpected revival in theremins and increased the awareness of analog synthesizers.[46] In response to requests by the band, Moog Music began producing its own brand of ribbon-controlled instruments which would mimic the sound of a theremin.[47]
Frank Zappa also included the theremin on the albums Freak Out! (1966) and We're Only in It for the Money (1967).[32]
Jimmy Page of Led Zeppelin used a variation of the theremin (pitch antenna only) during performances of "Whole Lotta Love" and "No Quarter" throughout the performance history of Led Zeppelin, an extended multi-instrumental solo featuring theremin and bowed guitar in 1977, as well as the soundtrack for Death Wish II, released in 1982.[48]
Brian Jones of the Rolling Stones also used the instrument on the group's 1967 albums Between the Buttons and Their Satanic Majesties Request.[49]
The Lothars are a Boston-area band formed in early 1997 whose CDs have featured as many as four theremins played at once – a first for pop music.[52][53]
Although credited with a "Thereman" [
Page McConnell, keyboardist of the American rock band Phish, plays the theremin on rare occasions. His last notable performance was on 6 August 2017, the final evening of the band's 13-night residency at Madison Square Garden.[56]
When
Film music
Russian composer
A theremin was not used for the soundtrack of Forbidden Planet, for which Bebe and Louis Barron built disposable oscillator circuits and a ring modulator to create the electronic tonalities used in the film.[62][63]
Los Angeles–based thereminist Charles Richard Lester is featured on the soundtrack of Monster House[64] and has performed the US premiere of Gavriil Popov's 1932 score for Komsomol – Patron of Electrification with the Los Angeles Philharmonic and Esa-Pekka Salonen in 2007.[65]
In Lenny Abrahamson's 2014 film, Frank, Clara, the character played by Maggie Gyllenhaal, plays the theremin in a band named Soronprfbs.[66]
Theatre and performing arts
Charlie Rosen, orchestrator of the Broadway musical Be More Chill, credits the show as being the first on Broadway to have a theremin in its band.[67]
Television
- In May 2007, the White Castle American hamburger restaurant chain introduced a television advertisement[68] centered around a live theremin performance by musician Jon Bernhardt of the band The Lothars. It is the only known example of a theremin performance being the focus of an advertisement.[69]
- Celia Sheen plays the theremin in the Midsomer Murders series.[70]
- In October 2008, comedian, musician, and theremin enthusiast Bill Bailey played a theremin during his performance of Bill Bailey's Remarkable Guide to the Orchestra at the Royal Albert Hall, which has subsequently been televised. He had previously also written an article,[71] presented a radio show[72] and incorporated the theremin in some of his televised comedy tours.
- Charlie Draper plays the theremin in the soundtrack (written by Natalie Holt) for TV series Loki on Disney+.[73][74][75]
Video games
- A theremin tune serves as the theme for the Edison family in the NES port of Maniac Mansion[76]
The First Theremin Concert for Extraterrestrials
The First Theremin Concert for Extraterrestrials was the world's first musical
- "Egress alone I to the Ride" by E. Shashina
- The finale of the 9th Symphony by Beethoven
- The Four Seasons: Spring, "Allegro" by Vivaldi
- "The Swan" by Saint-Saens
- "Vocalise" by Rachmaninoff
- "Summertime" by Gershwin
- Russian folk song "Kalinka-Malinka"
They were played in succession six times over the span of three days from August–September 2001 during the transmission of Teen Age Message, an interstellar radio message.[78]
Similar instruments
- The Ondes Martenot, 1928, also uses the principle of heterodyning oscillators, but has a keyboard as well as a slide controller and is touched while playing.[79]
- The Electronde, invented in 1929 by Martin Taubman, has an antenna for pitch control, a handheld switch for articulation and a foot pedal for volume control.[80]
- The Syntheremin is an extension of the theremin.
- The Croix Sonore (Sonorous Cross), is based on the theremin. It was developed by Russian composer Nicolas Obouchov in France, after he saw Lev Theremin demonstrate the theremin in 1924.
- The terpsitone, also invented by Theremin, consisted of a platform fitted with space-controlling antennas, through and around which a dancer would control the musical performance. By most accounts, the instrument was nearly impossible to control. Of the three instruments built, only the last one, made in 1978 for Lydia Kavina, survives today.
- The Z.Vex Effects Fuzz Probe, Wah Probe and Tremolo Probe, using a theremin to control said effects. The Fuzz Probe can be used as a theremin, as it can through feedback oscillation create tones of any pitch.
- The MC-505 by Roland by being able to use the integrated D-Beam-sensor like a theremin.
- The Audiocubes by Percussa are light emitting smart blocks that have four sensors on each side (optical theremin). The sensors measure the distance to your hands to control an effect or sound.[81]
- A kHz. Radio set #2 is tuned at 1145 kHz so that its local oscillator of around 1600 kHz is to be received by radio set #1. Radio set #3 is also tuned at 1145 kHz so that its local oscillator may produce the beat with radio set #2. The operator's hand movement around the bar antenna of radio set #3 may affect the local oscillator to produce tonal change.[82][non-primary source needed]
- The Matryomin by Masami Takeuchi is a single-antenna theremin-type device mounted inside a matryoshka doll.[83]
- The Chimaera is a digital offspring of theremin and touchless ribbon controller and based on distance sensing of permanent magnets. An array of linear Hall-effect sensors, each acting as an individual theremin in a changing magnetic field, responds to multiple moving neodymium magnets worn on fingers and forms a continuous interaction space in two dimensions.[84]
See also
- List of Russian inventions
- Ring modulation
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- ^ Draper, Charlie [@charlietheremin] (June 9, 2021). "I'm proud to reveal my #theremin features in @filmmusicholt's stunning soundtrack to #Loki by @iamkateherron and @michaelwaldron. NH's combo of orchestra, electronics, clocks, and Norse instruments is just perfect for our god of mischief's run-in with the time police!" (Tweet) – via Twitter.
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- ^ "Chimaera, the poly-magneto-phonic theremin". Archived from the original on 2016-07-22. Retrieved 2014-02-18. Portner, Hanspeter (2014-07-30). "CHIMAERA – The Poly-Magneto-Phonic Theremin – An Expressive Touch-Less Hall-Effect Sensor Array". In Baptiste Caramiaux; Koray Tahiroglu; Rebecca Fiebrink; Atau Tanaka (eds.). Proceedings of the International Conference on New Interfaces for Musical Expression. London, United Kingdom: Goldsmiths, University of London. pp. 501–504. Link (3.9 MB)
Publications
- Brend, Mark (2005). Strange Sounds: Offbeat Instruments and Sonic Experiments in Pop (1. ed.). San Francisco, Calif.: Backbeat. ISBN 9780879308551.
- Eyck, Carolina (2006). The Art of Playing the Theremin. Berlin: SERVI Verlag. ISBN 978-3-933757-08-1.
- Glinsky, Albert (2000). Theremin: Ether Music and Espionage. Urbana, Illinois: ISBN 978-0-252-02582-2.
- Pinch, T. J; Trocco, Frank (2009). Analog Days: The Invention and Impact of the Moog Synthesizer. Harvard University Press. ISBN 978-0-674-04216-2.
- Rockmore, Clara (1998). Method for Theremin. Edited by David Miller & Jeffrey McFarland-Johnson. Made publicly available at Clara Rockmore Method for Theremin [pdf]
Film and video
- Martin, Steven M. (Director) (1995). Theremin: An Electronic Odyssey (Film and DVD). Orion/MGM.
- Lydia Kavina, Clara Rockmore (featuring), William Olsen (Director) (1995). Mastering the Theremin (Videotape (VHS) and DVD). Moog Music and Little Big Films.
External links
- Pamelia Kurstin on Ted.com
- Theremin Times
- ThereminVox.com
- TECI: Theremin Enthusiasts Club International
- theremin Theremin Family
- Theremin Argentina
- Moriarty, Philip (2009). "The Theremin". Sixty Symbols. Brady Haran for the University of Nottingham.
- ISSN 1355-7718.
- ISSN 1531-4812.