There are so many excellent Buddy Holly covers out there today, but these four renditions are on another level.

The musical career of rock and roll pioneer Buddy Holly is chronicled, from the days when "Peggy Sue" was "Cindy Lou", a song about his first girlfriend, to the meteoric run of "That'll Be the Day ...

Buddy was the first guy who had confidence in me. ... I had as much star quality as an old shoe, but he really liked me, and believed in me.” ...