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.
- C9
- Db9
- D9
- Eb9
- E9
- F9
- F#9
- G9
- Ab9
- A9
- Bb9
- B9
Voicings
Written in C, because that is the key the encyclopedia authors them in; every one transposes unchanged.
Root Position (no 5th)
C · E · Bb · D
intermediate
Rootless
E · Bb · D · G
intermediate
Modern Jazz
D · E · Bb · C
advanced
Rootless (9-3-5-b7)
D · E · G · Bb
intermediate
RH 1-2-3-5; keep the D-E semitone-ninth relaxed, no tension.
Four-Way Close (rootless)
E · G · Bb · D · G
intermediate
LH E-G, RH Bb-D-G; let the bassist own the root. Top G is the melody, hands move in parallel.
Barry Harris Diminished Passing Cluster
C · E · Bb · D · Eb
advanced
LH C-E, RH Bb-D-Eb; let the close D/Eb grind. Resolve Eb down to D as the block slides to the next chord tone.
Upper Structure II (9-#11-13)
D · F# · A
intermediate
RH 1-2-4 on D-F#-A; LH can plant C-E-Bb shell below if comping.
Where it turns up
Richer dominant sound. Common in jazz standards. The 9th adds color without losing dominant function.
Commonly swapped with
- C7
- C13
- C7#9
Progressions that use it
Every one of these is written out with the hands on a keyboard and on a stave.