sentences:  He and his partners performed nationwide with the likes of Count Basie, Louis Armstrong, Charlie Parker, Nat "King" Cole and a young sensation named Sammy Davis Jr.While still in high school in 1928 with 3 fellow dancers, "Jimmy" started a vaudeville dance group titled the Four Chocolate Drops.Before long the group was performing on the vaudeville circuit for RKO General Inc., then one of the three largest vaudeville promoters.