Dominant family
C♯ dominant seventh flat nine chord
C♯7♭9C♯ dominant seventh flat nine
Piano root position
- Root
- 3
- 5
- ♭7
- ♭9
Guitar standard tuning
Barre · fret 3
Lay your index flat across strings 4 to 2 at fret 3.
Finger: 1 index, 2 middle, 3 ring, 4 little
Notation treble clef
Intervals
12 semitones- C♯1
- D♭9
- 2
- ♭3
- E♯3
- 4
- ♭5
- G♯5
- ♯5
- 6
- B♭7
- 7
- C♯ Root
- E♯ Major 3rd
- G♯ Perfect 5th
- B Minor 7th
- D Minor 9th
About this chord
What is a C♯ dominant seventh flat nine chord?
C♯7♭9 is built from 5 notes: C♯ (the root), E♯ (the 3), G♯ (the 5), B (the ♭7), D (the ♭9). Dark tension that pulls hard towards a minor chord.
- Notes
- C♯ · E♯ · G♯ · B · D
- Formula
- 1 · 3 · 5 · ♭7 · ♭9
- Also written
- C♯7(♭9)
- Found in
- Outside the major and minor keys
Neighbours
Chords close to C♯7♭9
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All 348 chords
Every chord type on every root, each with its own page.
C
D♭
D
E♭
E
F
G♭
G
A♭
A
B♭