How to build a added ninth chord
An added-ninth chord is a major triad with a major 9th added but no 7th. It is a bright, open colour common in pop and rock guitar writing.
Look up any other chord with the Scale & Chord Finder.
Chord
Aadd9 chord
Aadd9 is a added ninth chord with the notes A, C♯, E, B.
A1
C♯3
E5
B9
Intervals
| Note | Interval | Semitones |
|---|---|---|
| A | root | 0 |
| C♯ | major 3rd | 4 |
| E | perfect 5th | 7 |
| B | major 9th | 14 |
Inversions
| Root position | A – C♯ – E – B | |
| 1st inversion | C♯ – E – B – A (Aadd9/C♯) | |
| 2nd inversion | E – B – A – C♯ (Aadd9/E) | |
| 3rd inversion | B – A – C♯ – E (Aadd9/B) |