Aadd9
Add 9 · A – C♯ – E – B
- AR
- C♯3
- E5
- B9
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the Aadd9 chord
The Aadd9 chord (Add 9) is built from A (the root), C♯ (a major third), E (a perfect fifth) and B (a ninth). Add-nine chords stack a ninth on a plain triad for a bright, modern shimmer without a seventh.