Gm7 - C7 - FMaj7 - FMaj6

This chord study will begin by playing the Gm7, C7, FMaj7, and FMaj6 chord progression on the different, 5 string combinations. 

1-2-3-4

2-3-4-6

2-3-4-5

1-2-3-5

3-4-5-6

Strings 1-2-3-4

Strings 2-3-4-6

Multi-purpose chord

Note that on strings 5 through 1 the notes are consistent: C-F#-B-F-G#, while changing the bass note, A, Ab(G#), or D, suggests either a Am(maj13), Ab7(#9, #5) or D13(#11) chord. An excellent chord(s) to put in your chord repertoire.