Bbaug chord
Bb augmented · also written A#aug
C4
Bb
C5
D
F#
Want it in context? Open Bbaug on the full piano.
Notes
- BbR
- D3
- F##5
Formula: R – 3 – #5
Bbaug inversions
The same notes, with a different note in the bass.
Root position Bbaug
C4
Bb
C5
D
F#
1st inversion Bbaug/D
C5
D
F#
Bb
C6
2nd inversion Bbaug/F#
C5
F#
Bb
C6
D
More Bb chords
Augmented chords in other keys
FAQ
What notes are in the Bbaug chord?
The Bb augmented chord (Bbaug) has 3 notes: Bb, D and F#.
How do you play Bbaug on the piano?
Put your right hand on Bb, D and F#, 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 augmented chord?
R – 3 – #5 (in semitones from the root: 0, 4, 8).
Is Bbaug the same as A#aug?
Yes. Bb and A# are the same key on the piano (enharmonic), so Bbaug and A#aug sound the same.