A Dominant Ninth
Piano chord — 5 notes
A
Dominant Ninth
Root Position: A – C# – E – G – B
Bass note: A
RootChord tone
All Voicings — A Dominant 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 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: 9
The A Dominant 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.