Knife Knights were born of the love of mystery. A decade ago, Ishmael Butler—the architect of the groundbreaking but long-disbanded hip-hop group Digable Planets—was preparing at last to emerge from years of near-complete silence. He unveiled his new outlet, Shabazz Palaces, in the summer of 2009 through a pair of self-released EPs, surrounding his hyperlinked verses with webs of psychedelic textures and refracted rhythms. From the start, confidentiality seemed essential: Butler wanted Shabazz Palaces to stand on its own strength...