Harris Rafferty makes his latest statement with "Burnin’", a track that arrives with the subtle grace of a brick thrown through a conservatory window. Listening to this, I was immediately struck by the sheer kinetic output of the Lancashire artist; it feels less like a studio recording and more like being strapped into a roller coaster that has not been inspected for safety since...

The fiercely independent, Idaho-raised rapper nick! channels a deeply overstimulated, restless frequency on his new EP, "GEEKED!". Born in 2006 and building a fervent following entirely without industry co-signs, he occupies an interesting lane in new-wave underground hip-hop. His music sounds precisely like the brain chemistry of an internet-raised creative processing the blinding speed of newfound success. He writes and produces melodic, hard-hitting rap...