A♭m(maj7) 7-string bass chord

How to play A♭m(maj7) on 7-string bass

The most common way, the first shape above: lay your index finger flat across the four strings from the E to the G at the 4th fret, your little finger on the A string at the 6th fret and your ring finger on the D string at the 5th fret. Don’t play the B, C and F strings.

From the B string x 4 6 5 4 x x (x: not played, 0: open)

What notes are in A♭m(maj7)?

A♭m(maj7), A♭ minor major seventh, is A♭, C♭, E♭ and G: the root (A♭), the minor third (C♭), the perfect fifth (E♭) and the major seventh (G). Its formula is 1 ♭3 5 7.