Reference Entry

diminished seventh chord

Edited by Joyce Bourne

in The Oxford Dictionary of Music

Sixth edition

Published in print January 2012 | ISBN: 9780199578108
Published online May 2013 | e-ISBN: 9780191744518
diminished seventh chord

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A 4-note chord comprising a *diminished triad with an added diminished 7th, e.g. A–C–E♭–F#. Because of its symmetrical division of the octave into 4 minor 3rds, there are only 3 possible diminished 7th chords (in their various spellings and inversions)....

Reference Entry.  44 words. 

Subjects: Music

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