"As you're probably already aware, Periphery are one of a small number of bands who've defined the cutting edge of heavy music for over a decade. Along with the likes of Animals As Leaders and Tesseract, these guys constantly seek to defy and expand the limits of progressive metal-and they have succeeded in doing so ... Periphery III-which has now been streamed over 35 million times-was an absolute beast, while Periphery II contains all-time fan favorites like Scarlet and Make Total Destroy, but Periphery IV operates on another level altogether"