Bill Portman starts the song and Gary Dale sings the lyrics. "You're Sixteen" is a song written by the Sherman Brothers (Robert B. Sherman and Richard M. Sherman). It was first performed by American rockabilly singer Johnny Burnette, whose version peaked at number eight on the U.S. Billboard Hot 100 in December 1960 and number 3 in the U.K. in 1961.[1] The original 1960 version of "You're Sixteen" by Johnny Burnette is featured prominently on the 1973 motion picture soundtrack of the film American Graffiti. Ringo Starr also sang the song in 1971 -From Wikipedia