Ain't Misbehavin' is a musical revue with a book by Murray Horwitz and Richard Maltby Jr., and music by various composers and lyricists as arranged and orchestrated by Luther Henderson. It is named after the song by Fats Waller, "Ain't Misbehavin'". Best Musical at the 32nd Tony Awards, June 4, 1978 at Shubert Theatre. Wiki link Wiki link