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...

To understand a song like “Over And Over,” you first have to understand the road it travelled to get here. This is not a track that sprang fully formed from a young artist’s ambition. It’s a gnarled, weathered thing, carrying the dust of a long and winding path. The artist, Block, is a name that echoes from the raucous, DIY-spirited New York anti-folk scene of...