The Percells were an all-female American pop music group active during the early 1960s. Their musical style was characterized by doo-wop influenced harmonies, which were prevalent during the era. The group, consisting of members Jeannie Piersol, Trisha Piersol, and Sylvia Peterson, gained national recognition with their hit single "What Are Boys Made Of" in 1963. Despite their brief tenure in the music industry, The Percells contributed to the rich tapestry of American pop music in the 1960s.