Bb add chords
Bb add chords for piano with keyboard diagram.
Explanation: The Bbadd9 and Bbadd2 are four note chords. Bbadd2 is sometimes written as Bb2.
Theory: Both chords contain the same notes, but the added notes belong to different octaves which are the ninth and the second notes in the scale.
Notes: Bb - D - F - C
Notes: Bb - C - D - F