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Dominant 9th ♯5 Chords on Piano

The dominant 9th ♯5 chord raises the fifth of a dominant 9th, creating a lush augmented-dominant voicing with the added color of the ninth. It appears in jazz ballads and Wayne Shorter-style compositions where augmented harmony creates a dreamlike, floating quality over dominant function.

Formula: Root – Major 3rd – Augmented 5th – Minor 7th – Major 9th
Scale degrees: 1–3–♯5–♭7–9
Sound: Lush, augmented, dreamy, Wayne Shorter
Symbol: 9♯5 (C9♯5)

Dominant 9th ♯5 Chord in All 18 Keys