Which musical revue directed by Richard Maltby Jr. is named after a song by Fats Waller?
Richard Maltby Jr.:  He conceived and directed the only two musical revues to win the Tony Award for Best Musical: "Ain't Misbehavin'" (1978: Tony, N.Y. Drama Critics, Outer Critics, Drama Desk Awards, also Tony Award for Best Director) and "Fosse" (1999: Tony, Outer Critics, Drama Desk Awards). Ain't Misbehavin' (musical):  It is named after the song by Fats Waller (with Harry Brooks and Andy Razaf), "Ain't Misbehavin'".
Ain't Misbehavin'