Dominant 7th Flat 5 Flat 9th Chord

🎵 A highly dissonant chord combining flat 5 and flat 9 alterations. It produces a dark, intense, and unresolved quality. Favored for creating suspense and complex harmonic movement.

Also abbreviated as: 7b9#117b5b97b9b5

With all 6 notes and C as bass, it is also: C7b9#11F#7b9#11/CGb7b9#11/C