How to build a minor ninth chord
A minor ninth chord is a minor seventh chord with a major 9th added. It is a rich, smooth chord common in jazz, soul and R&B.
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Chord
Am9 chord
Am9 is a minor ninth chord with the notes A, C, E, G, B.
A1
C♭3
E5
G♭7
B9
Intervals
| Note | Interval | Semitones |
|---|---|---|
| A | root | 0 |
| C | minor 3rd | 3 |
| E | perfect 5th | 7 |
| G | minor 7th | 10 |
| B | major 9th | 14 |
Inversions
| Root position | A – C – E – G – B | |
| 1st inversion | C – E – G – B – A (Am9/C) | |
| 2nd inversion | E – G – B – A – C (Am9/E) | |
| 3rd inversion | G – B – A – C – E (Am9/G) | |
| 4th inversion | B – A – C – E – G (Am9/B) |