There's no shortage of big names hitting the road this year, from Lady Gaga to the Who to Taylor Swift. The one thing that's missing from the 2013 tour schedule? A truly massive superstar who can automatically sell out stadiums and arenas everywhere, like U2 or Madonna. Then again, that could change as soon as the Rolling Stones tour dates we're all waiting for come through. Read on for our guide to 2013's 18 biggest tours.

By Steve Knopper