sparks are still making music, very good music actually. "70s pop band sparks" makes it sound like they only existed in the 70s. maybe you could say "perennial rock band sparks"? they continue to surprise and delight me.
Considering WoW caps at 70 it was more than likely the push from 70 to 73 that killed him. Soon to be Dead Gamer: "Why iz I notz lvlin'?" Voice in Soon to be Dead Gamers Head: "Because you don't want it bad enough"