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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Doo-wop voice:

BASSMAN: Mr. ___ (1962 hit about a deep-voiced doo-wop singer)
ALTO: Doo-wop voice
FALSETTOS: Some doo-wop voices
FALSETTO: Doo-wop song high voice
FALSETTO: Doo-wop song's high voice