Bb is a major, spelled Bb, D and F. In DADGAD tuning (D2 A2 D3 G3 A3 D4) the easiest shape is x13310, 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
Interval
1P
3M
5P
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.
x13310sits at fret 1, needs a barre across 4 strings at fret 1, lets 1 string ring open and mutes 1 string880780sits at fret 7, spans 1 fret and lets 2 strings ring open8881080sits at fret 8, needs a barre across 5 strings at fret 8 and lets 1 string ring openxxx353sits at fret 3, needs a barre across 3 strings at fret 3 and mutes 3 strings850780sits at fret 5, spans 3 frets and lets 2 strings ring openx13010130sits at fret 10, spans 3 frets, lets 2 strings ring open and mutes 1 stringx131515130sits at fret 13, needs a barre across 4 strings at fret 13, lets 1 string ring open and mutes 1 stringx130151312sits at fret 12, spans 3 frets, lets 1 string ring open and mutes 1 stringx10313sits at fret 1, spans 2 frets, lets 1 string ring open and mutes 1 string88078xsits at fret 7, spans 1 fret, lets 1 string ring open and mutes 1 stringx10310sits at fret 1, spans 2 frets, lets 2 strings ring open and mutes 1 string013310sits at fret 1, needs a barre across 4 strings at fret 1 and lets 2 strings ring open
Keys Bb belongs to
Bb is diatonic to 24 of the 96 keys this app knows, playing a different role in each.