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Bb6/9 chord

Bb six-nine · also written A#6/9

C4
Bb
C5
D
F
G
C

Want it in context? Open Bb6/9 on the full piano.

Notes

  • Bb
    R
  • D
    3
  • F
    5
  • G
    6
  • C
    9

Formula: R – 3 – 5 – 6 – 9

Bb6/9 inversions

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

Root position Bb6/9

C4
Bb
C5
D
F
G

1st inversion Bb6/9/D

C5
D
F
G
Bb
C6

2nd inversion Bb6/9/F

C5
F
G
Bb
C6
D

3rd inversion Bb6/9/G

C5
G
Bb
C6
D
F

FAQ

What notes are in the Bb6/9 chord?

The Bb six-nine chord (Bb6/9) has 5 notes: Bb, D, F, G and C.

How do you play Bb6/9 on the piano?

Put your right hand on Bb, D, F, G 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 six-nine chord?

R – 3 – 5 – 6 – 9 (in semitones from the root: 0, 4, 7, 9, 14).

Is Bb6/9 the same as A#6/9?

Yes. Bb and A# are the same key on the piano (enharmonic), so Bb6/9 and A#6/9 sound the same.