C# 7 flat 9 Guitar Chord

C#7♭9 9ths · 5 notes ·Symbol : 7♭9

Chord Notes

Db R
F 3
Ab 5
B ♭7
D ♭9

Solfège : Réb – Fa – Lab – Si – Ré

Chord Structure

Db 2T F T+½ Ab T+½ B T+½ D

About this chord

The 7♭9 chord adds a flat ninth to the V7, considerably intensifying the dominant tension. Its flat ninth forms a semitone dissonance with the root, creating a powerful pull toward resolution. It is central to bebop vocabulary, especially in minor key cadences.

See all diagrams and fretboard positions for C# 7 flat 9 in the interactive ScalaBass app.

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Same chord in other keys