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
Cadd9 chord
Cadd9 is a added ninth chord with the notes C, E, G, D.
C1
E3
G5
D9
Intervals
| Note | Interval | Semitones |
|---|---|---|
| C | root | 0 |
| E | major 3rd | 4 |
| G | perfect 5th | 7 |
| D | major 9th | 14 |
Inversions
| Root position | C – E – G – D | |
| 1st inversion | E – G – D – C (Cadd9/E) | |
| 2nd inversion | G – D – C – E (Cadd9/G) | |
| 3rd inversion | D – C – E – G (Cadd9/D) |