Fb7 is a dominant seventh, spelled Fb, Ab, Cb and Ebb. In DADGAD tuning (D2 A2 D3 G3 A3 D4) the easiest shape is 220120, which sits at fret 1, spans 1 fret and lets 2 strings ring open. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
Fb
Ab
Cb
Ebb
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.
220120sits at fret 1, spans 1 fret and lets 2 strings ring openx70776sits at fret 6, spans 1 fret, lets 1 string ring open and mutes 1 stringx70756sits at fret 5, spans 2 frets, lets 1 string ring open and mutes 1 stringx70456sits at fret 4, spans 3 frets, lets 1 string ring open and mutes 1 string1414013140sits at fret 13, spans 1 fret and lets 2 strings ring open226420sits at fret 2, needs a barre across 5 strings at fret 2 and lets 1 string ring open01109119sits at fret 9, needs a barre across 3 strings at fret 9 and lets 2 strings ring open1411013140sits at fret 11, spans 3 frets and lets 2 strings ring openxx14131412sits at fret 12, spans 2 frets and mutes 2 stringsx709119sits at fret 7, spans 4 frets, lets 1 string ring open and mutes 1 string22012xsits at fret 1, spans 1 fret, lets 1 string ring open and mutes 1 stringxx2120sits at fret 1, spans 1 fret, lets 1 string ring open and mutes 2 strings
Keys Fb7 belongs to
Fb7 is diatonic to 8 of the 96 keys this app knows, playing a different role in each.