B♭9
9 · B♭ – D – F – A♭ – C
- B♭R
- D3
- F5
- A♭♭7
- C9
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the B♭9 chord
The B♭9 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.