Rock and roll has always been a far more expansive genre than its boiled-down ethos of electric guitars and brash rebellion gives it credit for. By the time the 1980s rolled around, for instance, rock accurately described everything from the DIY revolution of hardcore punk to the grandiose mainstream sound of Bon Jovi. A ubiquitous name in the landscape of hard rock and glam metal, Bon Jovi commanded the rock airwaves of the 1980s like no other,…