Constant structure

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In

functional and nonfunctional chords provides cohesiveness while producing a free and shifting tonal center.[1][2]

Constant structure example[1]

For example, the progression Fmaj7–A♭maj7–D♭maj7–G♭maj7–C13sus4

thirteenth chord), none of which are diatonic to the key
of F major except the first.

{ \override Score.TimeSignature #'stencil = ##f \relative c { \clef bass \time 4/4 <c e a>1_\markup { \concat { \translate #'(-4 . 0) { "C: vi" \raise #1 \small "6" \hspace #6.5 "ii" \hspace #5 "V" \raise #1 \small "6" \hspace #6.5 "I" } } } <d f a> <b d g> <c e g> \bar "|." } }
A vi–ii–V–I chord progression in C[3]

In contrast, the vi–ii–V–I or

circle progression from classical theory contains four chords of two or three different qualities: major, minor, and possibly a dominant seventh chord
; all of which, however, are diatonic to the key. Thus diversity is achieved within a stable and fixed tonal center.

See also

References

  1. ^
    ISBN 0-634-08678-2
    .
  2. ^ Schmeling, Paul (1 June 2001). "Reharmonization with Constant Structure Chords". Berklee Today. Retrieved 25 September 2021.
  3. ISBN 1-55122-034-2
    .
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