A#/B♭ Major 9th chords Author: Juan Martinez Categories: A♯ Chords Tags: Maj9 chords Bb Major 9 chord on a piano Formula: 1-3-5-7-9 Notes: B♭-D-F-A-C chord suffix: B♭Maj9 Use these charts to create your own B♭Maj9 chord or play a B♭Maj9 melody Bb Major 9 chord on a pianoBb Major 9th chord on a guitar