The A dominant seventh sharp ninth chord is a striking and edgy chord that combines the tension of a dominant seventh with the sharp dissonance of an augmented ninth. Its notes, A, C♯, E, G, and B♯, create a sound that is bold, expressive, and full of character, often used to inject intensity and drama into a musical passage. This chord is a favorite in jazz, blues, and rock genres, where it adds a sense of urgency and color to chord progressions, making resolutions feel more satisfying. The A dominant seventh sharp ninth chord is particularly effective for musicians seeking to convey both tension and flair, giving compositions a distinctive and memorable edge.
Name: A dominant seventh sharp ninth chord
Symnonyms:: A dominant sharp ninth chord
Notes: A, C♯, E, G, B♯
Intervals: 1, 3, 5, ♭7, ♯9
Chord symbol: A7(♯9)
Alternative symbols: A7♯9
Type: Pentad (five-note chord)
A dominant seventh sharp ninth chord on the Staff
A dominant seventh sharp ninth chord on Piano
A dominant seventh sharp ninth chord on Guitar
A dominant seventh sharp ninth chord on Ukulele
Rowan Ellis is a musician and educator with a passion for exploring the language of harmony and melody. With years of experience across classical, jazz, and contemporary styles, Rowan breaks down music theory into clear, practical insights. His goal is to make chords and scales less intimidating and more inspiring for every musician.