Hear Songs from the 2012 American Music Awards Nominees

Psy, Justin Bieber, Beyonce and More

Psy Credit: Mike Marsland/WireImage

With 20 categories covering everything from EDM to hip-hop, the 40th annual American Music Awards showcase a wide range of today's hottest music makers. Get ready for this Sunday's telecast with our playlist of nominated acts, from Bieber to Beyoncé.