A minor/major ninth chord is composed using a root/1st, minor 3rd, perfect 5th, major 7th and major 9th (or R/1-♭3-5-7-9) intervals played simultaneously. Generally written as Cmi(MA9) or C-(maj9), it is good practice to simply use an uppercase C, the lowercase letters mi followed by super scripted uppercase (MA9) to represent it in writing (ie: Cmi(MA9)).
Minor/major ninth chord profile
| Intervals | root/1st, minor 3rd, perfect 5th, major 7th, major 9th or R/1-♭3-5-7-9 |
|---|---|
| Stability | Dissonant, unresolved |
| Grouping class | Pentad |
| Common names (examples in C) | Cmi(MA7), C-(maj9), C-(maj9) |
Chord shapes/voicings
Audio sample(s)
| C Minor/major ninth chord voicing #4 |
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