A♯9
9 · A♯ – D – F – G♯ – C
- A♯R
- D3
- F5
- G♯♭7
- C9
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the A♯9 chord
The A♯9 chord (9) is built from A♯ (the root), D (a major third), F (a perfect fifth), G♯ (a minor seventh) and C (a ninth). Ninth chords extend the dominant seventh into a rich, funky sound at home in funk and jazz.