Altered dominant
in D major
Piano chord
A Augmented 7th Piano Chord (A7♯5)
The A Augmented 7th chord on piano is made of the notes A, C♯, E♯ and G. Bold and unresolved. An augmented triad with a dominant 7th.
Tap any key to hear it.
What notes are in A Augmented 7th?
4 notes, built 1 – 3 – ♯5 – ♭7 up from A.
- Notes
- A – C♯ – E♯ – G
- Formula
- 1 – 3 – ♯5 – ♭7
- Semitones from the root
- 0 – 4 – 8 – 10
- Symbol
- A7♯5
- Chord type
- Augmented 7th, 4 notes
How to play A Augmented 7th on piano
- Right hand: A (1), C♯ (2), E♯ (3), G (5). Fingers 1 – 2 – 3 – 5, thumb on A.
- Left hand: A (5), C♯ (3), E♯ (2), G (1). Fingers 5 – 3 – 2 – 1, little finger on A.
Fingers are numbered 1 (thumb) to 5 (little finger) on both hands.
A Augmented 7th inversions
Each inversion puts a different note of the chord in the bass. Written as a slash chord: A7♯5/C♯, A7♯5/E♯, A7♯5/G.
Can you find A Augmented 7th?
Tap the notes on the keyboard, then check. Six chords, starting with this one.
1 / 6 Tap the notes of A Augmented 7th (A7♯5)
Score 0
Any octave, any order. Each key you tap plays.
A Augmented 7th chord FAQ
What notes are in the A Augmented 7th chord?
A Augmented 7th (A7♯5) has 4 notes: A, C♯, E♯ and G. Its formula is 1 – 3 – ♯5 – ♭7, counted up from A.
How do you play A Augmented 7th on the piano?
Put your right thumb on A and play A, C♯, E♯ and G with fingers 1 – 2 – 3 – 5. With the left hand, use fingers 5 – 3 – 2 – 1, little finger on A.
What are the inversions of A Augmented 7th?
1st inversion: C♯, E♯, G, A (A7♯5/C♯). 2nd inversion: E♯, G, A, C♯ (A7♯5/E♯). 3rd inversion: G, A, C♯, E♯ (A7♯5/G).