Johnny Cash

Check out 12 collaborations between rock and country artists that go hard, including songs by Zac Brown Band and Chris Cornell and more.

Spanning the man in black and white to color TV.

Is this the greatest cover song of all time?

Neither Cash nor Reznor were sold on the idea at first.

Remember the first time? Surprise!

See rock and metal musicians who've served in the U.S. Military, including Maynard James Keenan, Fred Durst of Limp Bizkit and more.