Answers by Expert:
I can answer most questions regarding 1950s Black Vocal Group music, called Doo Wop (Do Wop). Having lived in the era & grew up with the sounds of the early 50s.
Extensive research into 1950s doo wop and have resoures at hand to draw from..
United Group Harmony Association, Doowop Society, Doowop Corner, etc..
Discoveries Magazine, Goldmine Magazine, Kreiter's Price Guide &
Dead Wax Guide.