Construction
A 7♭5 = Root + Major 3rd + Diminished 5th + Minor 7th = A, C♯, E♭, G
| Note | Interval | Degree |
|---|---|---|
| A | Root | 1 |
| C♯ | Major 3rd | 3 |
| E♭ | Diminished 5th | ♭5 |
| G | Minor 7th | ♭7 |
How to Play the A 7♭5
Right Hand (RH)
Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 2 – 3 – 5
Left Hand (LH)
For the left hand, start with your pinky on the root. Use the fingering: 5 – 3 – 2 – 1
A 7♭5 Inversions
- Root positionA – C♯ – E♭ – G
- 1st inversion (A7♭5/C♯)C♯ – E♭ – G – A
- 2nd inversion (A7♭5/E♭)E♭ – G – A – C♯
- 3rd inversion (A7♭5/G)G – A – C♯ – E♭
Same Notes, Other Names
The notes A – C♯ – E♭ – G aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:
A 7♭5 : Frequently Asked Questions
What is the A 7♭5 chord on piano?
The A 7♭5 chord contains the notes A – C♯ – E♭ – G. On piano, play these notes together to sound the chord.
What notes are in the A 7♭5 chord?
The A 7♭5 chord (A7♭5) contains 4 notes: A, C#, Eb, G. Formula: R-M3-d5-m7.
How is A7♭5 used in music?
A7♭5 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for A7♭5?
A7♭5 uses scale degrees 1-3-b5-b7, giving it its distinctive sound.