The B-flat minor seventh chord (B♭m7) is a four-note chord consisting of the notes B♭, D♭, F, and A♭. It is formed by adding a minor seventh (A♭) to the B♭ minor triad (B♭, D♭, F), creating a chord that combines the dark, introspective quality of the minor triad with the added depth and tension of the seventh. This chord is commonly used in jazz, R&B, soul, and contemporary music to provide rich harmonic texture and emotional complexity within chord progressions. The B-flat minor seventh chord functions as a tonic, subdominant, or ii chord in various harmonic contexts, offering smooth voice leading and enhancing melodic expression while contributing a warm, resonant character to the overall sound.
Name: B-flat minor seventh chord
Symnonyms:: B-flat minor-minor seventh chord
Notes: B♭, D♭, F, A♭
Intervals: 1, ♭3, 5, ♭7
Chord symbol: B♭m7
Alternative symbols: B♭-7, B♭mi7, B♭min7
Type: Tetrad (four-note chord)
B-flat minor seventh chord on the Staff
B-flat minor seventh chord on Piano
B-flat minor seventh chord on Guitar
B-flat minor 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.
