Check and Double Check Four Step Brothers performer Film 1930-10-25 RKO. Directed by Melville W. Brown. Duke Ellington and His Cotton Club Orchestra. The typical Amos 'n Andy story line has the boys trying to make a go of their "open-air" taxi business while they get caught up in a society hassle, involving driving musicians to a fancy party. All the regular characters are here (or mentioned), including the famous Mystic Knights of the Sea. The only film appearance of radio's long-running characters, with one musical scene featuring the Four Step Brothers . Performing Arts Encyclopedia http://www.loc.gov/performingarts Frank, Rusty E.: Tap! The Greatest Tap Dance Stars and their Stories 1900-1955. New York, William Morrow. (1990). Tap Dance America http://lcweb2.loc.gov/diglib/ihas/html/tda/tda-home.html Four Step Brothers (biography) loc.music.tdabio.49 tda IHAS 151216 loc.music.tda.37