Jane's Addiction's catalog is like a house of mirrors that gets more disorienting the further in you go. “Idiots Rule” gnarls their usual funk into mutant disco erupting with brass and complex polyrhythms, while the labyrinthine “Underground” is majestic psychedelia submerged in cyborg reverb and fuzz. And then there's “Of Course,” a hypnotically chanted foray into Romani-inspired art folk.