Bb7 is a dominant seventh, spelled Bb, D, F and Ab. In DADGAD tuning (D2 A2 D3 G3 A3 D4) the easiest shape is x13110, which sits at fret 1, needs a barre across 4 strings at fret 1, lets 1 string ring open and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
Bb
D
F
Ab
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.
x13110sits at fret 1, needs a barre across 4 strings at fret 1, lets 1 string ring open and mutes 1 stringxx8786sits at fret 6, spans 2 frets and mutes 2 strings811010110sits at fret 8, spans 3 frets and lets 2 strings ring open053356sits at fret 3, needs a barre across 2 strings at fret 3 and lets 1 string ring open856750sits at fret 5, needs a barre across 4 strings at fret 5 and lets 1 string ring openx130131312sits at fret 12, spans 1 fret, lets 1 string ring open and mutes 1 stringx131513130sits at fret 13, needs a barre across 4 strings at fret 13, lets 1 string ring open and mutes 1 stringx13013110sits at fret 11, spans 2 frets, lets 2 strings ring open and mutes 1 stringx13010110sits at fret 10, spans 3 frets, lets 2 strings ring open and mutes 1 string8807110sits at fret 7, spans 4 frets and lets 2 strings ring openx10110sits at fret 1, needs no stretch at all, lets 2 strings ring open and mutes 1 stringx10113sits at fret 1, spans 2 frets, lets 1 string ring open and mutes 1 string
Keys Bb7 belongs to
Bb7 is diatonic to 8 of the 96 keys this app knows, playing a different role in each.