NBC (9 p.m. ET)
Billy Dee Williams stars as the piano prodigy-composer (Maple Leaf Rag, the opera Tremonisha) who was rediscovered 56 years after his death with Marvin Hamlisch’s adaptation of his rag The Entertainer for The Sting. Art Carney portrays the turn-of-the-century music publisher who helps lift Joplin out of honky-tonks. A Joplin contemporary, Eubie Blake, 95, appears in a cameo.