B6 chord
B major sixth
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>G
F#
G
G#6
A
A#
B
C
C#
D
D#
E
F
F#
G
G#
C
C
C#
D
D#3
E
F
F#
G
G#
A
A#
B
C
D#
E
D#
E
F
F#5
G
G#
A
A#
B
C
C#
D
D#
E
F#
A
G#
A
A#
B1
C
C#
D
D#
E
F
F#
G
G#
A
B
3
5
7
10
The B6 chord has the formula 1, 3, 5, 6 with notes B, D#, F#, G#
The major sixth chord is used in pop and jazz. Major sixth chords can be substituted for major chords, adding a little flavor to the sound.