Major-sixth definition
(music) A musical interval of the Western twelve-semitone system consisting of nine semitones and spanning six degrees of the diatonic scale. It is one semitone wider than a minor sixth and enharmonically equivalent to a diminished seventh.
The major sixth has a pitch ratio close to 27:16.
noun
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Other Word Forms
Noun
Singular:
major-sixth
Plural:
major-sixths