Just to back Matt on this, Ryan Adams is at least as popular in the world of hipster music as Dream Theater is in the realm of metal. In the States, he plays to roughly 3,500 people a night. His ridiculous string of albums (3 with Whiskeytown, 8 solo recordings, and 5 with The Cardinals, and this doesn't even count the 10 EPs he's recorded), all released only since 1995, have almost all charted on Billboard's Top 200. Not to mention (and to the chagrin of most males in America), he's married to Mandy Moore. He is in fact a well-documented fan of metal, particularly the really heavy stuff, yet he's more known for writing alt-country tunes. I never really cared for his music, but that is a pretty interesting version of a classic Maiden tune.
Stay metal. Never rust.
Albert