Last night Conan O’Brien’s Legally Prohibited From Being Funny on Television Tour made its way to Pennsylvania. On hand for the show at the Tower Theater was Trey Anastasio. The Phish guitarist, clad in a Philadelphia Flyers shirt, stepped out to join the Legally Prohibited Band for a version of “Alaska.” Phish opens its summer tour in Chicago on Friday night.

For a look back at a March 7, 1992, interview with Phish, stop by