The B-sharp dominant seventh flat five chord is a tense and intriguing chord consisting of the notes B♯, D𝄪, F♯, and A♯. By combining a dominant seventh structure with a flattened fifth, this chord introduces a dissonant and unresolved quality that is often used to create dramatic tension in jazz, blues, and modern compositions. The B♯, D𝄪, and F♯ form a major triad with a unique twist due to the lowered fifth, while the A♯ adds the dominant seventh that drives harmonic movement. The B-sharp dominant seventh flat five chord is ideal for adding complexity and intensity to progressions, offering a bold and expressive sound that captures attention and demands resolution.
Name: B-sharp dominant seventh flat five chord
Notes: B♯, D𝄪, F♯, A♯
Intervals: 1, 3, ♭5, ♭7
Chord symbol: B♯7(♭5)
Alternative symbols: B♯7♭5
Type: Tetrad (four-note chord)
B-sharp dominant seventh flat five chord on the Staff
B-sharp dominant seventh flat five chord on Piano
B-sharp dominant seventh flat five chord on Guitar
B-sharp dominant seventh flat five 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.