Major seventh

nl:kwint The musical interval of a Major seventh the first note (the root or tonic) and the seventh, the leading tone, in a major scale. It is the inversion of the minor second. It is abbreviated as M7.

It can be produced by starting on a high note and playing the seventh below or by starting on a low note and playing the seventh above.

A Major seventh in just intonation most often corresponds to a pitch ratio of 15:8 or 1:1.875, or various other ratios, while in an equal tempered tuning it is a ratio of 1:211/12 (approximately 1.887), or 1100 cents, 11.731 cents sharp of 15:8.

The Major seventh is considered the second most dissonant interval after its inversion the minor second.

See also

Major seventh
# semitones Interval class # cents in equal temperament Most common diatonic name Comparable just interval # cents in just interval Just interval vs. equal-tempered interval
11 1 1100 major seventh 15:8 1088 12 cents smaller

Template:Diatonic intervals

External links

Template:Music-theory-stub

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