The B-sharp diminished chord is a tense and dramatic chord consisting of the notes B♯, D♯, and F♯. Built on a diminished triad, this chord creates a sense of instability and suspense, often used to lead into resolutions or to add tension within harmonic progressions. The B♯ and D♯ establish a minor-like foundation, while the F♯ introduces a lowered fifth that gives the chord its characteristic dissonant quality. The B-sharp diminished chord is ideal for adding emotional intensity and forward-driving motion in compositions, making it a powerful tool for expressive and dynamic musical passages.
Name: B-sharp diminished chord
Symnonyms:: B-sharp diminished triad
Notes: B♯, D♯, F♯
Intervals: 1, ♭3, ♭5
Chord symbol: B♯o
Alternative symbols: B♯dim, B♯m(♭5), B♯m♭5
Type: Triad (three-note chord)
B-sharp diminished chord on the Staff
B-sharp diminished chord on Piano
B-sharp diminished chord on Guitar
B-sharp diminished 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.