Dominant 7th ♯9 ♯11 Chords on Piano

The dominant 7th ♯9 ♯11 chord stacks two sharp alterations on a dominant 7th — the Hendrix-style ♯9 plus the Lydian-flavored ♯11. The result is an aggressive, crunchy voicing that works in jazz-funk, fusion, and any context where maximum chromatic tension over dominant harmony is desired.

Formula: Root – Major 3rd – Diminished 5th – Perfect 5th – Minor 7th – Augmented 9th

Scale degrees: 1–3–♭5–5–♭7–♯9

Sound: Aggressive, crunchy, fusion, chromatic

Symbol: 7♯9♯11 (C7♯9♯11)