C♯add9
Add 9 · C♯ – F – G♯ – D♯
- C♯R
- F3
- G♯5
- D♯9
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the C♯add9 chord
The C♯add9 chord (Add 9) is built from C♯ (the root), F (a major third), G♯ (a perfect fifth) and D♯ (a ninth). Add-nine chords stack a ninth on a plain triad for a bright, modern shimmer without a seventh.