The B-sharp dominant ninth chord is a colorful and harmonically rich chord consisting of the notes B♯, D𝄪, F𝄪, A♯, and C𝄪. By extending the dominant seventh chord with the addition of the ninth, this chord produces a sense of tension and forward motion, making it a staple in jazz, blues, and contemporary music. The B♯, D𝄪, and F𝄪 form a bright major foundation, while the A♯ adds the dominant seventh tension, and the C𝄪 introduces a vibrant ninth interval that enhances harmonic complexity. The B-sharp dominant ninth chord is ideal for creating expressive progressions, providing both depth and a sense of anticipation that enriches musical compositions.
Name: B-sharp dominant ninth chord
Notes: B♯, D𝄪, F𝄪, A♯, C𝄪
Intervals: 1, 3, 5, ♭7, 9
Chord symbol: B♯9
Type: Pentad (five-note chord)
B-sharp dominant ninth chord on the Staff
B-sharp dominant ninth chord on Piano
B-sharp dominant ninth chord on Guitar
B-sharp dominant 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.
