A Dominant Flat Ninth
Piano chord — 5 notes
A
Dominant Flat Ninth
Root Position: A – C# – E – G – B♭
Bass note: A
RootChord tone
All Voicings — A Dominant Flat Ninth
Root PositionA – C# – E – G – B♭(bass: A)
1st InversionC# – E – G – B♭ – A(bass: C#)
2nd InversionE – G – B♭ – A – C#(bass: E)
3rd InversionG – B♭ – A – C# – E(bass: G)
4th InversionB♭ – A – C# – E – G(bass: B♭)
A Dominant Flat Ninth Piano Chord — Notes and Inversions
Notes: A, C#, E, G, B♭
Intervals: 1P, 3M, 5P, 7m, 9m
Number of notes: 5
Also known as: 7b9
The A Dominant Flat Ninth chord contains 5 notes (A, C#, E, G, B♭). This chord has 4 inversions in addition to the root position. Use the interactive piano keyboard above to explore each voicing.