Ain’t Misbehavin’ – CLARINET QUARTET – 3 Bb + bass clarinet for Clarinet,Woodwind Quartet written by Thomas “Fats” Waller. The format of this sheet music is Score,Set of Parts and it’s published by Steve Hoover Music. Ain’t Misbehavin’ – CLARINET QUARTET – 3 Bb + bass clarinet is part of the following sheet music categories: N.