Jimmy Gilmer is an American singer and pianist known for his membership in the rock and roll band, Jimmy Gilmer and the Fireballs. The band is recognized for their instrumental rock style with a blend of Tex-Mex folk. They achieved significant commercial success in the 1960s, most notably with their number one hit "Sugar Shack," which became the best-selling single of 1963. Gilmer's distinctive vocals and piano playing contributed greatly to the band's unique sound, marking a significant chapter in the history of rock and roll music.