Do11(#9) Diminished
The Do11(#9) chord is built from the notes D – F – Ab – Cb – E# – G.
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Chord tones, one by one
DRoot
Root
The fundamental note the chord is built on — D.
FThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
AbFifth
Diminished fifth (♭5)
Six semitones — a flat fifth. Creates instability, typical of m7♭5 and diminished chords.
CbSeventh
Diminished seventh (♭♭7)
Nine semitones — a doubly-flat seventh, found in fully diminished 7th chords.
E#Extension
Sharp ninth (♯9)
A ♯9 — the gritty 'Hendrix' tension over a dominant chord.
GExtension
Eleventh (11)
An 11th — a suspended, airy color on top of the chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Whole-half diminished scale.
🎸 Genres
Bebop jazz · Hard bop · Gypsy jazz