Fbmaj7 is a major seventh, spelled Fb, Ab, Cb and Eb. In Standard tuning (E2 A2 D3 G3 B3 E4) the easiest shape is 021100, which sits at fret 1, needs a barre across 2 strings at fret 1 and lets 3 strings ring open. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
Fb
Ab
Cb
Eb
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.
021100sits at fret 1, needs a barre across 2 strings at fret 1 and lets 3 strings ring open066400sits at fret 4, spans 2 frets and lets 3 strings ring open022444sits at fret 2, needs a barre across 2 strings at fret 2 and lets 1 string ring open076800sits at fret 6, spans 2 frets and lets 3 strings ring open079890sits at fret 7, spans 2 frets and lets 2 strings ring open01199011sits at fret 9, needs a barre across 2 strings at fret 9 and lets 2 strings ring open011131300sits at fret 11, spans 2 frets and lets 3 strings ring open014131300sits at fret 13, needs a barre across 2 strings at fret 13 and lets 3 strings ring open0119800sits at fret 8, spans 3 frets and lets 3 strings ring open0141313012sits at fret 12, spans 2 frets and lets 2 strings ring open066850sits at fret 5, spans 3 frets and lets 2 strings ring open02110xsits at fret 1, needs a barre across 2 strings at fret 1, lets 2 strings ring open and mutes 1 string
Keys Fbmaj7 belongs to
Fbmaj7 is diatonic to 16 of the 96 keys this app knows, playing a different role in each.