The B-flat major sixth-ninth chord (abbreviated "Bb6/9 chord") is a five-note chord consisting of the notes B, D, F, G, and C. The chord is formed by adding a major sixth and a major ninth to a B-flat major chord.

Name
B-flat major sixth-ninth chord
Notes
B D F G C
Intervals
1 3 5 6 9
Chord symbol
B6/9
Alternative symbols
B6add9 B6(add9)
Type
Pentad (five-note chord)

Bb6/9 chord on piano

Bb6/9 chord on guitar

Bb6/9 chord on ukulele

Bb6/9 chord on the staff