Am9 chord (A minor ninth) on piano
Am9 (A minor ninth) has five notes: A, C, E, G and B. Its formula is 1, b3, 5, b7, 9. In major keys, Am9 is the ii9 chord in G major and the vi9 in C major.
Am9 inversions and fingering
A C G · LH 5-3-1
A G C E B · RH 1-2-5 · LH 5-1
Hear it and see every shape in ScaleSpace →
| Symbol | Am9 |
|---|---|
| Also written | Amin9, A-9 |
| Notes | A C E G B |
| Formula | 1 b3 5 b7 9 |
| Intervals | root, minor third, perfect fifth, minor seventh, major second |
| Type | Minor ninth chord |
Am9 across the keyboard
Piano, C3 to C5. Notes in this scale, low to high: C3 (flat 3), E3 (5), G3 (flat 7), A3 (1), B3 (9), C4 (flat 3), E4 (5), G4 (flat 7), A4 (1), B4 (9), C5 (flat 3).
Swipe the chart sideways to see all of it.
Questions
What notes are in the Am9 chord?
Am9 (A minor ninth) has five notes: A, C, E, G and B. Its formula is 1, b3, 5, b7, 9. A is the root, C is the minor third, E is the perfect fifth, G is the minor seventh and B is the major second.
How do you play Am9 on piano?
Play A, C, E, G and B together. Shell (left hand): A C G · LH 5-3-1.
What key is Am9 in?
In major keys, Am9 is the ii9 chord in G major and the vi9 in C major. It is diatonic to those keys, so it fits songs in any of them.
What is the difference between Am9 and Am7?
Am9 is Am7 (A, C, E and G) with B, the 9th, added.