The Mills Brothers and the Ink Spots were important black vocal groups that predated the rock and roll era. The Mills Brothers were experts at imitating instruments with their voices, while the Ink Spots Bill Kenny's quavering tenor presaged the street corner leads of doo wop sound. Their middle of the road style of "pop" style of singing and "white" sound that made them popular. They would serve as the role models for the future black vocal groups.
|Mills Brothers 1931||Boswell Sisters 1931||Ink Spots 1935||Charioteers 1935||Golden Gate 1937||Andrew Sisters 1937|
|Cats & the Fiddle 1939||Deep River Boys 1940||Delta Rhythm Boys 1941||Four Vagabonds 1942||Five Redcaps 1943||Coleman Brothers 1944|
|Brown Dots 1941|