Justin Bieber Says His Busta Rhymes Collabo Is 'Genius'

"The beat was so crazy. I'm actually playing drums on the actual song," Bieber says of his "Little Drummer Boy" track.

Justin Bieber Says His Busta Rhymes Collabo Is 'Genius'

"The beat was so crazy. I'm actually playing drums on the actual song," Bieber says of his "Little Drummer Boy" track.