A# Major Ninth
Piano chord — 5 notes
A#
Major Ninth
Root Position: A# – D – F – A – C
Bass note: A#
RootChord tone
All Voicings — A# Major Ninth
Root PositionA# – D – F – A – C(bass: A#)
1st InversionD – F – A – C – A#(bass: D)
2nd InversionF – A – C – A# – D(bass: F)
3rd InversionA – C – A# – D – F(bass: A)
4th InversionC – A# – D – F – A(bass: C)
A# Major Ninth Piano Chord — Notes and Inversions
Notes: A#, D, F, A, C
Intervals: 1P, 3M, 5P, 7M, 9M
Number of notes: 5
Also known as: maj9, Δ9, ^9
The A# Major Ninth chord contains 5 notes (A#, D, F, A, C). This chord has 4 inversions in addition to the root position. Use the interactive piano keyboard above to explore each voicing.