Piano chord
B♭ augmented chord
B♭aug is an augmented triad: the root B♭, a major 3rd up to D and an augmented 5th up to F♯.
- Symbol
- B♭aug
- Notes
- B♭ – D – F♯
Play it yourself
Tap B♭, D and F♯ on the keys below, in any order.
- B♭
- D
- F♯
Augmented chords sound dreamy and unresolved. Both of their intervals are major thirds, so they split the octave into three equal parts and have no clear home.
Inversions of B♭aug
An inversion keeps the same notes but puts a different one at the bottom. Pianists use them to move between chords with less jumping.
- Root position
B♭ – D – F♯
- 1st inversion · B♭aug/D
D – F♯ – B♭
- 2nd inversion · B♭aug/F♯
F♯ – B♭ – D
Keys with B♭aug
B♭aug doesn't occur naturally in a major or natural minor key. It's used as a colour chord, borrowed or altered.