The B-sharp dominant seventh sharp ninth chord is a bold and expressive chord consisting of the notes B♯, D𝄪, F𝄪, A♯, and C♯𝄪. Combining a dominant seventh structure with a sharpened ninth, this chord produces a strikingly tense and colorful sound, often used in jazz, blues, and fusion to create dramatic harmonic effects. The B♯, D𝄪, and F𝄪 form a bright major foundation, while the A♯ adds a minor seventh tension, and the C♯𝄪 introduces an edgy, dissonant flavor that demands resolution. The B-sharp dominant seventh sharp ninth chord is perfect for adding intensity and expressive complexity to chord progressions, giving music a rich and adventurous character.
Name: B-sharp dominant seventh sharp ninth chord
Symnonyms:: B-sharp dominant sharp ninth chord
Notes: B♯, D𝄪, F𝄪, A♯, C♯𝄪
Intervals: 1, 3, 5, ♭7, ♯9
Chord symbol: B♯7(♯9)
Alternative symbols: B♯7♯9
Type: Pentad (five-note chord)
B-sharp dominant seventh sharp ninth chord on the Staff
B-sharp dominant seventh sharp ninth chord on Piano
B-sharp dominant seventh sharp ninth chord on Guitar
B-sharp 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.
