The B major seventh chord, often notated as Bmaj7, is a four-note chord consisting of B (root), D♯ (major third), F♯ (perfect fifth), and A♯ (major seventh). This chord is built by adding the major seventh interval to the B major triad, producing a sound that is both bright and sophisticated with a smooth, jazzy quality. The B major seventh chord is widely used in jazz, pop, and contemporary music to create lush, harmonious textures and elegant chord progressions. Its combination of the major triad with the major seventh interval adds depth and emotional nuance, making it a versatile chord for both accompaniment and melodic exploration within compositions.
Name: B major seventh chord
Notes: B, D♯, F♯, A♯
Intervals: 1, 3, 5, 7
Chord symbol: Bmaj7
Alternative symbols: BΔ, BΔ7, Bma7, BMA7, BM7
Type: Tetrad (four-note chord)
B major seventh chord on the Staff
B major seventh chord on Piano
B major seventh chord on Guitar
B major seventh 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.
