Scott Joplin movie 1977. Dueling pianos competition scene

This clip depicts a competition between professors (brothel pianists) to win 100 from John Stark in Sedalia, Missouri. Louis Chauvin, who is a better pianist but can t read, write music, teams up with Joplin and unleashes Maple Leaf Rag upon the public for the first time (this did not actually occur). Dick Hyman is playing the soundtrack and Billy Dee Williams is portraying Scott Joplin.