Kiss were put on this planet to deliver deafening party rock—“Shout It Out Loud”, one of their most ecstatic hits, explodes with wall-of-sound choruses and drum rolls. Yet over the years, they've stepped outside of this role: “A World Without Heroes” is a prog ballad that trades roaring riffs for classical strings, and the unusually brooding “Jungle” delivers post-grunge smothered in psychedelic bass.