In every key
The same shape, moved. The symbols below are spelled the way the app spells them, which is the spelling the chord's own scale asks for rather than whichever accidental is easier to type.
- C7b9
- Db7b9
- D7b9
- Eb7b9
- E7b9
- F7b9
- F#7b9
- G7b9
- Ab7b9
- A7b9
- Bb7b9
- B7b9
Voicings
Written in C, because that is the key the encyclopedia authors them in; every one transposes unchanged.
Rootless Type A (3-b7-b9-5)
E · Bb · Db · G
intermediate
Standard rootless — bass plays C, you play 3-b7-b9-5
Rootless Type B (b7-b9-3-13)
Bb · Db · E · A
advanced
Diminished UST (Edim7 over C7)
E · G · Bb · Db
advanced
C7b9 = Edim7 over C — 4 dominants share each diminished
Cluster b9-3-b7-b9
Db · E · Bb · Db
expert
Where it turns up
Classic V7 of minor. Resolves strongly to im7. Bebop and standard jazz vocabulary.
Commonly swapped with
- C7
- C7alt
- Edim7
- Gb7