Minor-major seventh chord

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A minor-major seventh chord is a tetrad comprising a root, minor third, perfect fifth, and major seventh.

In temperaments

The minor-major seventh chord is a 15-odd-limit essentially tempered chord in marvel and thus in septimal meantone, for which the historically prevalent quarter-comma meantone is a good tuning, with the augmented fifth between the third and the seventh being 75/48, tempered together with 14/9.

  • (Marvel) 1–6/5–3/2–15/8

In just intonation

In the 5-limit:

In the 3-limit:

  • 3456:4096:5184:6561 spans eight octave-reduced fifths, and may be considered a 3-limit approximation of 40:48:60:75.