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Bbm7 chord

Bb minor 7th · also written A#m7

C4
Bb
C5
Db
F
Ab

Want it in context? Open Bbm7 on the full piano.

Notes

  • Bb
    R
  • Db
    b3
  • F
    5
  • Ab
    b7

Formula: R – b3 – 5 – b7

Bbm7 inversions

The same notes, with a different note in the bass.

Root position Bbm7

C4
Bb
C5
Db
F
Ab

1st inversion Bbm7/Db

C5
Db
F
Ab
Bb
C6

2nd inversion Bbm7/F

C5
F
Ab
Bb
C6
Db

3rd inversion Bbm7/Ab

C5
Ab
Bb
C6
Db
F

FAQ

What notes are in the Bbm7 chord?

The Bb minor 7th chord (Bbm7) has 4 notes: Bb, Db, F and Ab.

How do you play Bbm7 on the piano?

Put your right hand on Bb, Db, F and Ab, 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 7th chord?

R – b3 – 5 – b7 (in semitones from the root: 0, 3, 7, 10).

Is Bbm7 the same as A#m7?

Yes. Bb and A# are the same key on the piano (enharmonic), so Bbm7 and A#m7 sound the same.