'American Idol' Psy 'Gentleman' VIDEO, WATCH Performance on Season 12 Finale South Korean rapper Psy took the stage at the American Idol 2013 finale tonight to perform his new single 'Gentleman.'
Psy Knocked Off: Rapper Overtaken by 63-year-old on Korean Charts South Korean rapper Psy has been bumped from his prime position on Korean music charts by 63-year-old Cho Yong-pil
