Deborah Chessler
The group's version of the song , which came out in June 1948 , was considered one of the first rhythm and blues songs , and was said to have "ushered in the doo wop era . " Her relationship with the band was notable because she was "a young Jewish woman managing a black vocal group in an age when the entertainment industry . . . was rigidly segregated . " 
<triplet> doo wop <subj> rhythm and blues <obj> subclass of