A film about the life and career of the early rock and roll star.The musical career of 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” up the charts, to his marriage, breakup with the Crickets, reunion with the Crickets, and untimelydeath.His story will have you singing, la…