Answer: eubieblake

AnswerCrossword Clue
EUBIEBLAKEComposer who lived to be 100
EUBIEBLAKERagtime musician who was the subject of a 1978 musical
EUBIEBLAKEPianist from Baltimore, Md.
EUBIEBLAKE"I'm Just Wild About Harry" (1921)