x 1 0 3 1 x
Bbadd9
Notes: Bb · D · F · C
Also spelled A#add9
Triads
Suspended
Sevenths
Extensions
Other shapes (42)
Showing 12 of 42
6 5 0 5 x x
x 1 0 x 1 1
x 1 0 3 1 1
6 5 0 5 6 x
6 3 0 3 x x
6 3 0 5 x x
6 3 0 3 3 x
6 3 0 5 3 x
6 3 0 3 6 x
6 5 0 5 3 x
6 3 0 5 6 x
About Bbadd9
The Bbadd9 chord is made up of Bb (root), D (major third), F (perfect fifth) and C (ninth). Its interval formula is 1 – 3 – 5 – 9. The added ninth gives the major chord an open, modern color, widely used in pop and rock.
Bbadd9 has no standard open shape in the CAGED system, so its 42 voicings are sorted only by difficulty and position on the neck. Another way to write Bbadd9 is A#add9 (the same piano key, with a different name). Bbadd9 is the usual choice.