C♯m9
Minor 9 · C♯ – E – G♯ – B – D♯
- C♯R
- Em3
- G♯5
- B♭7
- D♯9
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the C♯m9 chord
The C♯m9 chord (Minor 9) is built from C♯ (the root), E (a minor third), G♯ (a perfect fifth), B (a minor seventh) and D♯ (a ninth). Minor-ninth chords are deep and velvety, widely used in R&B, soul and jazz.