Gbmaj7 is a major seventh, spelled Gb, Bb, Db and F. In Ukulele (low G) tuning (G3 C4 E4 A4) the easiest shape is x668, which sits at fret 6, needs a barre across 2 strings at fret 6 and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 11.
Notes and intervals
Note
Gb
Bb
Db
F
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.
x668sits at fret 6, needs a barre across 2 strings at fret 6 and mutes 1 string11131313sits at fret 11 and spans 2 frets3524sits at fret 2 and spans 3 frets111098sits at fret 8 and spans 3 frets101099sits at fret 9 and needs a barre across 2 strings at fret 911101313sits at fret 10 and spans 3 frets3521sits at fret 1 and spans 4 frets6569sits at fret 5 and spans 4 frets6668sits at fret 6 and needs a barre across 3 strings at fret 6352xsits at fret 2, spans 3 frets and mutes 1 string111013xsits at fret 10, spans 3 frets and mutes 1 stringx521sits at fret 1, spans 4 frets and mutes 1 string
Keys Gbmaj7 belongs to
Gbmaj7 is diatonic to 16 of the 96 keys this app knows, playing a different role in each.