Bbm9 chord
Bb minor 9th · also written A#m9
C4
Bb
C5
Db
F
Ab
C
Want it in context? Open Bbm9 on the full piano.
Notes
- BbR
- Dbb3
- F5
- Abb7
- C9
Formula: R – b3 – 5 – b7 – 9
Bbm9 inversions
The same notes, with a different note in the bass.
Root position Bbm9
C4
Bb
C5
Db
F
Ab
1st inversion Bbm9/Db
C5
Db
F
Ab
Bb
C6
2nd inversion Bbm9/F
C5
F
Ab
Bb
C6
Db
3rd inversion Bbm9/Ab
C5
Ab
Bb
C6
Db
F
More Bb chords
Minor 9th chords in other keys
FAQ
What notes are in the Bbm9 chord?
The Bb minor 9th chord (Bbm9) has 5 notes: Bb, Db, F, Ab and C.
How do you play Bbm9 on the piano?
Put your right hand on Bb, Db, F, Ab 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 minor 9th chord?
R – b3 – 5 – b7 – 9 (in semitones from the root: 0, 3, 7, 10, 14).
Is Bbm9 the same as A#m9?
Yes. Bb and A# are the same key on the piano (enharmonic), so Bbm9 and A#m9 sound the same.