Gbm7 is a minor seventh, spelled Gb, Bbb, Db and Fb. In Drop D tuning (D2 A2 D3 G3 B3 E4) the easiest shape is 402220, which sits at fret 2, needs a barre across 3 strings at fret 2 and lets 2 strings ring open. 12 positions for it are shown below, from the nut up to fret 14.
Notes and intervals
Note
Gb
Bbb
Db
Fb
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.
402220sits at fret 2, needs a barre across 3 strings at fret 2 and lets 2 strings ring open404650sits at fret 4, spans 2 frets and lets 2 strings ring open707670sits at fret 6, spans 1 fret and lets 2 strings ring openx97979sits at fret 7, needs a barre across 3 strings at fret 7 and mutes 1 stringx91111100sits at fret 9, spans 2 frets, lets 1 string ring open and mutes 1 string1101111100sits at fret 10, spans 1 fret and lets 2 strings ring openx014141414sits at fret 14, needs a barre across 4 strings at fret 14, lets 1 string ring open and mutes 1 stringx97650sits at fret 5, spans 4 frets, lets 1 string ring open and mutes 1 string1401411140sits at fret 11, spans 3 frets and lets 2 strings ring open402222sits at fret 2, needs a barre across 4 strings at fret 2 and lets 1 string ring open404220sits at fret 2, needs a barre across 2 strings at fret 2 and lets 2 strings ring open442220sits at fret 2, needs a barre across 3 strings at fret 2 and lets 1 string ring open
Keys Gbm7 belongs to
Gbm7 is diatonic to 24 of the 96 keys this app knows, playing a different role in each.