Jimmy Gilmer and The Fireballs were an American rock and pop group best known for the 1963 hit "Sugar Shack," one of the defining pop rock songs of the early 1960s. This 7" presents both "My Heart Is Free" and the hit itself, showcasing the band's upbeat, radio-friendly approach: bright melodies, singalong hooks, and infectious optimism that made them favorites on American radio. Their straightforward arrangements and earnest delivery captured something essential about early-60s pop rock—uncomplicated, joyful, and immediately accessible. Having the hit single "Sugar Shack" in original format makes this a valuable addition to any 60s pop rock collection, and it's genuinely fun to listen to.