The B-sharp dominant thirteenth chord is a highly extended and harmonically rich chord consisting of the notes B♯, D𝄪, F𝄪, A♯, C𝄪, E♯, and G𝄪. By building on a dominant seventh structure and adding the ninth, eleventh, and thirteenth, this chord creates a complex and vibrant sound often used in jazz, fusion, and advanced contemporary compositions. The B♯, D𝄪, and F𝄪 provide a bright major foundation, while the A♯ introduces the dominant seventh tension, and the C𝄪, E♯, and G𝄪 add extended harmonics that enrich the chord with depth and color. The B-sharp dominant thirteenth chord is perfect for creating elaborate, expressive progressions, offering a sophisticated blend of tension, resolution, and harmonic complexity.
Name: B-sharp dominant thirteenth chord
Notes: B♯, D𝄪, F𝄪, A♯, C𝄪, E♯, G𝄪
Intervals: 1, 3, 5, ♭7, 9, 11, 13
Chord symbol: B♯13
Type: Heptad (seven-note chord)
B-sharp dominant thirteenth chord on the Staff
B-sharp dominant thirteenth chord on Piano
B-sharp dominant thirteenth chord on Guitar
B-sharp dominant thirteenth 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.