U2

The music world united on July 13, 1985 to stage the Live Aid benefit. See the setlists of some of rock and metal's most iconic bands who played that day.

See photos of rock and metal artists showing patriotism by wearing the American flag onstage or sporting it in some other way.

Alt-rock finally got a mainstream spotlight in the '90s and these are the albums that made the most of having that broader platform.

Before alternative became mainstream, college rock was holding it down for the left of the dial bands. Look back at the best albums of the college rock era.

Soundtracks of the 1990s were big business, helping to promote films. But how many hit soundtrack songs can you still tie to the movies they were featured in?

Do you know your ABCs of Rock? We hope so as there are well known rock bands for every single letter of the alphabet.

Their support comes in the wake of a heated meeting between the politicians that took place on Feb. 28.

Who's played for the world's biggest viewing audience?

In a nearly 30 year history, there's some spot on picks, but also some pretty wild misses in the Grammy's Best Rock Album category.

Plus, you also get a U2 'Songs of Surrender' vinyl box set as well.