Minor seventh chord

In music, a minor seventh chord is a seventh chord composed of a root note, a minor third, a perfect fifth, and a minor seventh (1, 3, 5, 7). In other words, one could think of it as a minor triad with a minor seventh attached to it.

minor/minor seventh chord
Component intervals from root
minor seventh
perfect fifth
minor third
root
Tuning
10:12:15:18
Forte no. / Complement
4-26 / 8-26

For example, the minor seventh chord built on A, commonly written as A−7, has pitches A-C-E-G:

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