Eclectic singer/performer Grimes debuted three new songs this past weekend at Governors Ball that will see her possibly finally crossover to the mainstream. The three songs, "David", Sleepwalking", and "Go" were played in her set at the festival. Grimes originally penned the song "Go" for Rihanna, but the R&B singer declined it. Billboard calls Grimes new material beat-heavy and euphoric. Watch Grimes play "Go" at Governors Ball this past weekend.