Complex sentence: The Cotton Club Boys was a featured group of male dancers added to the Cotton Club Revue, which first appeared on radio in 1924, and, from 1926 to 19??, performed at the Lafayette Theater in Harlem.
Split into simpler sentences: The Cotton Club Boys was a featured group of male dancers added to the Cotton Club Revue. The Revue itself first appeared on radio in 1924, and, from 1926 to 19??, performed at the Lafayette Theater in Harlem.