"That'll Be the Day" is a song written by Buddy Holly and Jerry Allison. It was first recorded by Buddy Holly and the Three Tunes in 1956 and was re-recorded in 1957 by Holly and his new band, the Crickets. The 1957 recording achieved widespread success. Holly's producer, Norman Petty, was credited as a co-writer, although he did not contribute to the composition.
Many other versions have been recorded. It was the first song recorded (as a demonstration disc) by the Quarrymen, the skiffle group