Billy & The Essentials were an American doo-wop group from Philadelphia, formed in the early 1960s. The group's music was characterized by harmonious vocals and an upbeat rhythm and blues style, typical of the doo-wop genre. Their most notable hit was "The Dance is Over," which reached the Billboard Hot 100 in 1961. The group's line-up changed several times throughout their career, but Billy Carlucci was a constant presence, demonstrating his significant influence on their sound.