Cm7 is a minor seventh, spelled C, Eb, G and Bb. In Drop D tuning (D2 A2 D3 G3 B3 E4) the easiest shape is x31313, which sits at fret 1, needs a barre across 3 strings at fret 1 and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
C
Eb
G
Bb
Interval
1P
3m
5P
7m
12 ways to play it
Ordered by how hard they are to fret, easiest first, one per position on the neck. Fret numbers are relative to the position marked beside each grid.
x31313sits at fret 1, needs a barre across 3 strings at fret 1 and mutes 1 stringx35343sits at fret 3, needs a barre across 5 strings at fret 3 and mutes 1 string10101001111sits at fret 10, needs a barre across 3 strings at fret 10 and lets 1 string ring open10108888sits at fret 8 and needs a barre across 4 strings at fret 8xxx546sits at fret 4, spans 2 frets and mutes 3 stringsx68088sits at fret 6, spans 2 frets, lets 1 string ring open and mutes 1 string565586sits at fret 5 and needs a barre across 4 strings at fret 5x1513151315sits at fret 13, needs a barre across 3 strings at fret 13 and mutes 1 stringx131301311sits at fret 11, spans 2 frets, lets 1 string ring open and mutes 1 stringx13131213xsits at fret 12, spans 1 fret and mutes 2 strings11101xsits at fret 1, needs no stretch at all, lets 1 string ring open and mutes 1 string111313sits at fret 1 and needs a barre across 5 strings at fret 1
Keys Cm7 belongs to
Cm7 is diatonic to 24 of the 96 keys this app knows, playing a different role in each.