Rising fifth
in B♭ major
Piano chord · also written A♯aug
B♭ Augmented Piano Chord (B♭aug)
The B♭ Augmented chord on piano is made of the notes B♭, D and F♯. Mysterious and unresolved. Creates a sense of tension.
Tap any key to hear it.
What notes are in B♭ Augmented?
3 notes, built 1 – 3 – ♯5 up from B♭.
- Notes
- B♭ – D – F♯
- Formula
- 1 – 3 – ♯5
- Semitones from the root
- 0 – 4 – 8
- Symbol
- B♭aug
- Same keys as
- A♯aug (A♯ – D – F♯)
- Chord type
- Augmented, 3 notes
How to play B♭ Augmented on piano
- Right hand: B♭ (1), D (3), F♯ (5). Fingers 1 – 3 – 5, thumb on B♭.
- Left hand: B♭ (5), D (3), F♯ (1). Fingers 5 – 3 – 1, little finger on B♭.
Fingers are numbered 1 (thumb) to 5 (little finger) on both hands.
B♭ Augmented inversions
Each inversion puts a different note of the chord in the bass. Written as a slash chord: B♭aug/D, B♭aug/F♯.
Can you find B♭ Augmented?
Tap the notes on the keyboard, then check. Six chords, starting with this one.
1 / 6 Tap the notes of B♭ Augmented (B♭aug)
Score 0
Any octave, any order. Each key you tap plays.
B♭ Augmented chord FAQ
What notes are in the B♭ Augmented chord?
B♭ Augmented (B♭aug) has 3 notes: B♭, D and F♯. Its formula is 1 – 3 – ♯5, counted up from B♭.
How do you play B♭ Augmented on the piano?
Put your right thumb on B♭ and play B♭, D and F♯ with fingers 1 – 3 – 5. With the left hand, use fingers 5 – 3 – 1, little finger on B♭.
Is B♭ Augmented the same as A♯ Augmented?
On the piano, yes: A♯aug (A♯, D, F♯) uses exactly the same keys as B♭aug (B♭, D, F♯). Which name is used depends on the key of the piece; B♭aug is the more common spelling.
What are the inversions of B♭ Augmented?
1st inversion: D, F♯, B♭ (B♭aug/D). 2nd inversion: F♯, B♭, D (B♭aug/F♯).