B flat augmented piano chord (Bbaug)
Also written A#aug (A sharp augmented)
An augmented chord stacks two major thirds, with an augmented fifth. Strange and floating, it often works as a transition between two chords.
On the keyboard
Root position
- Notes
- B♭ – D – F♯
- Fingering (right hand)
- 1 – 3 – 5
1st inversion
- Notes
- D – F♯ – B♭
- Fingering (right hand)
- 1 – 2 – 5
2nd inversion
- Notes
- F♯ – B♭ – D
- Fingering (right hand)
- 1 – 3 – 5
Chord notes
| Note | Interval |
|---|---|
| B♭ (B flat) | root |
| D | major third |
| F♯ (F sharp) | augmented fifth |
Formula: 1 – 3 – #5 · B♭ – D – F♯
A progression with this chord
The augmented chord connects the major chord to the chord built on the fourth.