American rapper Asher Roth ascended from the Pennsylvania suburbs into the world of hip-hop in the late 2000s with a thoughtful flow influenced by Jay-Z and Eminem. Utilizing social media to share his music while he was still a student, he broke into the mainstream with his commercial debut single, 2009's "I Love College." That novelty hit was eventually certified double-platinum and helped push his first album, Asleep in the Bread Aisle, to number five on the U.S. charts. Favoring mixtapes and EP releases, he didn't release his sophomore effort, RetroHash, until 2014. A third...