At the Bruce Springsteen set two years ago, a coupld of guys standing near me couldn’t believe that he wasn’t going to do his own songs, and even though the set was clearly billed as “The Seeger Sessions,” they yelled for “Backstreets” for most of the show. Should Led Zeppelin fans get excited about the prospect of Robert Plant dusting off some classics during his set Friday with Allison Krauss? Check out Grant Alden’s review from the No Depression Web site.