English Rock musician John Sykes, of the group Whitesnake, performs onstage at the UIC Pavilion, … [+] Chicago, Illinois, November 10, 1984. (Photo by Paul Natkin/Getty Images) Getty Images Revered hard rock guitarist John Sykes, who was best known for his work in Thin Lizzy and the multiplatinum-selling glam rock group Whitesnake, has died at […]