SHA NA NA (personality)

Sha Na Na, who are a rock 'n' roll (rock and roll) music group from the 1960s to present. Some of their group members have included: Dave 'Chico' Ryan, Jon 'Bowzer' Bauman, Elliot Cahn, Vinny Taylor, and 'Screaming' Scott Simon. They contributed several songs to the soundtrack for Grease, and hosted a musical variety show from 1977 to 1981