A dominant thirteenth sharp ninth chord is composed using a root/1st, major 3rd, perfect 5th, minor 7th, augmented 9th and major 13th (or R/1-3-5-♭7-♯9-13) intervals played simultaneously. Generally written as C13(♯9) or Cdom13(♯9), it is good practice to simply use an uppercase C followed by a super scripted 13(♯9) to represent it in writing (ie: C13(♯9)).
Dominant thirteenth sharp ninth chord profile
| Intervals | root/1st, major 3rd, perfect 5th, minor 7th, augmented 9th, major 13th or R/1-3-5-♭7-♯9-13) |
|---|---|
| Stability | Dissonant, unresolved |
| Grouping class | Hexad |
| Common names (examples in C) | C13(♯9), Cdom13(♯9) |
Chord shapes/voicings
Audio sample(s)
| C Dominant thirteenth sharp ninth chord voicing #4 |
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