Whereas his previous two albums featured co-songwriting credits, Jake Bugg took a creative step forward by relying on himself. As principal songwriter, and after early consultation with producer Rick Rubin and Beastie Boys’ Mike D., On My One is filled with deeper personal strata and a range of musical styles. “Gimme the Love” and “Ain’t No Rhyme,” with beats and rap-singing informed by hip-hop and electronic music, signals a confident leap outside of his comfort zone.