Jazz pianist Fats Waller was called “the Black Horowitz” by fellow pianist Oscar Levant. Though he died before he turned 40, he copyrighted over 400 songs in his lifetime, and may have ghostwritten many others. Two of his biggest hits, “Ain’t Misbehavin'” (written with Harry Brooks and Andy Razaf) and “Honeysuckle Rose” (also written with Razaf) join the public domain in 31 days. “Ain’t Misbehavin'” is also the title of a 1978 musical paying tribute to Waller’s music. #PublicDomainDayCountdown