For his recent solo albumTraveler, Trey Anastasio linked up with an old college friend, Peter Katis, who happens to have a gorgeous recording studio in the attic of his house in Bridgeport, Connecticut, where Interpol, the National and more have recorded. Add Anastasio, who takes on animated form in his new video for "Valentine," in which cartoon Trey traverses mountains and oceans alike. Working with Katis, Anatasio says, let him capture a sound he's long coveted. "This album was a chance to work with new people and collaborate with a producer I love, Peter Katis, who I've kn