The B-flat minor ninth chord (B♭m9) is a five-note chord consisting of the notes B♭, D♭, F, A♭, and C. It is formed by adding the major ninth (C) to the B♭ minor seventh chord (B♭, D♭, F, A♭), creating a chord that combines the dark, introspective quality of the minor triad with the rich, extended color of the ninth. This chord is commonly used in jazz, R&B, and contemporary music to provide lush harmonic textures and emotional depth within progressions. The B-flat minor ninth chord serves as a versatile harmonic tool, offering smooth voice leading, enhancing melodic expression, and adding a sophisticated, expressive character to the overall sound of a composition.
Name: B-flat minor ninth chord
Notes: B♭, D♭, F, A♭, C
Intervals: 1, ♭3, 5, ♭7, 9
Chord symbol: B♭m9
Alternative symbols: B♭-9, B♭mi9, B♭min9
Type: Pentad (five-note chord)
B-flat minor ninth chord on the Staff
B-flat minor ninth chord on Piano
B-flat minor ninth chord on Guitar
B-flat minor 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.