The B added ninth chord, often written as Badd9, is a four-note chord that builds upon the B major triad by adding the ninth interval, creating a bright and harmonically rich sound. Its notes are B (root), D♯ (major third), F♯ (perfect fifth), and C♯ (major ninth), which together add a melodic lift and a sense of openness to the chord. Unlike a dominant ninth chord, the B added ninth chord does not include a seventh, giving it a more stable and consonant quality while still providing a subtle extension that enhances its tonal character. This chord is widely used in pop, rock, and contemporary music to add color and sophistication to progressions, offering musicians a versatile option for creating expressive and dynamic harmonic textures.
Name: B added ninth chord
Symnonyms:: B added second chord
Notes: B, D♯, F♯, C♯
Intervals: 1, 3, 5, 9
Chord symbol: Badd9
Alternative symbols: B(add9), Badd2, B(add2)
Type: Tetrad (four-note chord)
B added ninth chord on the Staff
B added ninth chord on Piano
B added ninth chord on Guitar
B added 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.
