About the chord
G♭ major 7th / B♭ (1st inversion)
G♭maj7/B♭ is the G♭ major 7th / B♭ (1st inversion) guitar chord with B♭ in the bass. It uses the notes G♭, B♭, D♭, and F and the interval formula 1-3-5-7.
The G♭ major 7th major 7th chord, combining the root (G♭ major 7th), major third B♭, perfect fifth D♭, and major seventh F, produces a lush, dreamy quality. The close interval between the fifth D♭ and seventh F adds a jazzy, sophisticated color, often conveying nostalgia, romance, or serenity. With B♭ in the bass, this voicing functions as the 1st inversion of G♭ major 7th.
Also written as G♭maj7 and G♭M7/B♭.
Root note: G♭
Bass note: B♭
Chord tones: 4
Playable shapes: 26