David Seville & The Chipmunks - The Chipmunk Song (Christmas Don't Be Late) (Live) (1958) In 1958, "The Chipmunk Song (Christmas Don't Be Late)" brought a playful twist to the holiday music scene. Created by Ross Bagdasarian Sr., also known as David Seville, the track introduced Alvin, Simon, and Theodore—three animated chipmunks with distinct personalities. Their high-pitched voices, achieved through an innovative recording technique, became instantly recognizable and revolutionized novelty mus