B9
9 · B – D♯ – F♯ – A – C♯
- BR
- D♯3
- F♯5
- A♭7
- C♯9
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the B9 chord
The B9 chord (9) is built from B (the root), D♯ (a major third), F♯ (a perfect fifth), A (a minor seventh) and C♯ (a ninth). Ninth chords extend the dominant seventh into a rich, funky sound at home in funk and jazz.