The Trammps (Jimmy Ellis, bottom right) Jimmy Ellis, charge singer in the Trammps, the music activity group that prominent the seventies anthem "Disco Inferno," has died. He was 74. Ellis died in the Rock Hill, S.C. seniors proper care of complications from Alzheimer's disease, his daughter told The NY Occasions. See other stars we lost this year Born in Sc, Ellis produced The Trammps at the begining of seventies. The band's first recording, a remake of "Zing! Went the Strings of My Heart," showed up at No. 17 round...