Bbadd9 chord
Bb added 9th · also written A#add9
C4
Bb
C5
D
F
C
Want it in context? Open Bbadd9 on the full piano.
Notes
- BbR
- D3
- F5
- C9
Formula: R – 3 – 5 – 9
Bbadd9 inversions
The same notes, with a different note in the bass.
Root position Bbadd9
C4
Bb
C5
D
F
1st inversion Bbadd9/D
C5
D
F
Bb
C6
2nd inversion Bbadd9/F
C5
F
Bb
C6
D
More Bb chords
Added 9th chords in other keys
FAQ
What notes are in the Bbadd9 chord?
The Bb added 9th chord (Bbadd9) has 4 notes: Bb, D, F and C.
How do you play Bbadd9 on the piano?
Put your right hand on Bb, D, F and C, starting from Bb. A common fingering for three-note chords is thumb (1), middle finger (3) and little finger (5).
What is the formula of a added 9th chord?
R – 3 – 5 – 9 (in semitones from the root: 0, 4, 7, 14).
Is Bbadd9 the same as A#add9?
Yes. Bb and A# are the same key on the piano (enharmonic), so Bbadd9 and A#add9 sound the same.