SHA NA NA " I WONDER WHY " 1973 Sha Na Na is an American rock and roll doo-wop group. Performing a song-and-dance repertoire based on 1950s hit songs, Sha Na Na has been simultaneously reviving and parodying the music of 1950s New York street culture since the group's formation in 1969. After gaining initial fame for their performance at Woodstock, made possible with the help of their friend Jimi Hendrix, the group hosted Sha Na Na, a syndicated variety series that ran from 1977 to 1981. Billing