20 Most Anticipated Rock Albums of 2015

A new year brings the promise of new sounds. Some of them have been in the works, it seems, for ages. Others will arrive as huge surprises. Legends return, even as newer supergroups stake their claims. Couple that with highly anticipated reissues, and 2015 is off to a fast start. Here's a gallery of our 20 most anticipated rock albums of 2015.

You Think You Know Led Zeppelin?