C7b9 guitar chord
The C7b9 chord (C 7th flat 9) is built from the notes C, E, G, Bb and Db, formula 1–3–5–b7–b9.
- Notes
- C E G Bb Db
- Type
- 7th flat 9
- Level
- Barre chord
OpenShape 1 of 4
x32320How to play C7b9
The easiest C7b9 shape is x32320, starting around fret 2. Mute any strings marked x so only chord tones sound.
Dark and tense, pulling strongly toward a minor chord.
Other ways to play it
Questions
What notes are in the C7b9 chord?
C7b9 contains C, E, G, Bb and Db. Its formula is 1–3–5–b7–b9.
Is C7b9 hard to play on guitar?
It is harder than a basic open chord. The most common shape is x32320.
What can I play instead of C7b9?
C7 is the closest simpler chord. It keeps the same root and basic character, so it works when C7b9 is too hard or too busy.