Amaj9 piano chord (A major 9th)
A – C♯ – E – G♯ – B
Formula 1 – 3 – 5 – 7 – 9
Amaj9 inversions
An inversion keeps the same notes but puts a different one at the bottom. Use them to move to the next chord with the smallest hand movement.
Root position Amaj9
A – C♯ – E – G♯ – B
1st inversion Amaj9/C♯
C♯ – E – G♯ – B – A
2nd inversion Amaj9/E
E – G♯ – B – A – C♯
3rd inversion Amaj9/G♯
G♯ – B – A – C♯ – E
4th inversion Amaj9/B
B – A – C♯ – E – G♯
Amaj9 chord questions
What notes are in the A major 9th chord?
Amaj9 is A, C♯, E, G♯, B. Its formula is 1 – 3 – 5 – 7 – 9, counted from the root A.
How do you play Amaj9 on piano?
With the right hand in root position, play A–C♯–E–G♯–B using all five fingers (1–5) (thumb on A). The full five-note shape spans more than an octave, so pianists usually play the root A in the left hand and C♯–E–G♯–B in the right.
What are the inversions of Amaj9?
Root position: A–C♯–E–G♯–B; 1st inversion: C♯–E–G♯–B–A; 2nd inversion: E–G♯–B–A–C♯; 3rd inversion: G♯–B–A–C♯–E; 4th inversion: B–A–C♯–E–G♯.