Major Ninth Chord
The major ninth chord extends the major seventh with a ninth, creating a lush, sophisticated sound central to jazz and R&B. It conveys spaciousness, warmth, and harmonic richness.
Symbol: maj9, M9, △9
Formula: 1-3-5-7-9
C Major Ninth Chord: C – E – G – B – D
Choose a Root
Interval Formula
| Degree | Interval | Semitones from Root | Note (C Major Ninth Chord) |
|---|---|---|---|
| 1 | Root (1) | 0 | C |
| 3 | Major 3rd (3) | 4 | E |
| 5 | Perfect 5th (5) | 7 | G |
| 7 | Major 7th (7) | 11 | B |
| 9 | Major 9th (9) | 14 | D |
Related Chords
Common Progressions
- Imaj9-IVmaj9
- Imaj9-ii9