Minor seventh chord
A minor seventh chord is a tetrad comprising a root, a minor third, a perfect fifth, and a minor seventh.
JI tunings
In the 5-limit:
- 10:12:15:18 is found on the iii (5⁄4) and vi (5⁄3) of Ptolemy's intense diatonic scale (Zarlino), perhaps the most common 5-limit diatonic.
- 27:32:40:48 is found on the ii (9⁄8) of Ptolemy's intense diatonic scale.