Vinyl LP pressing. 2013 release, the third studio album from the colorful singer/songwriter. The album"s first single "Roar" topped the US Billboard Hot 100, while peaking at the top 10 of twenty-five countries. The album also includes "Dark Horse" (featuring rapper Juicy J) and "Walking On Air". Producers and collaborators on Prism include Dr. Luke, Max Martin, Greg Kurstin, Cirkut and others.