The 21st concert étude by Christian Lauba, Bumble Beebop is written for solo alto saxophone.  Dedicated to Jacob Anthony Hallman, the piece is subtitled "Étude on chromaticism in all registers and like in "Bebop" for the mastery of rhythmic multiphonics, velocity and alternating slaps in a jazz style."

Multiphonic fingerings are provided in the score. The approximate duration is 5'.