Reference Entry

Diminished seventh chord

Janna Saslaw

in Grove Music Online

Volume Grove Music Online, issue Published in print January 2001 |
Published online January 2001 | e-ISBN: 9781561592630

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A chord formed from a diminished triad with added diminished 7th, for example B–D–F–A♭; it thus contains two tritones (B–F and D–A♭) and is tonally unstable. It is typically found on the raised 7th degree of a minor key and functions, in its standard resolution to the tonic (ex.1a), like a dominant chord, the 7th (G♯ in ex.1a) rising by semitone to the tonic while the other notes fall; it

Reference Entry.  346 words.  Illustrated.

Subjects: Music

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