The rain has followed us down the I-95 to the great city of Philadelphia, where today weezer is playing at the 104.5 FM Birthday Party with Panic! At the Disco, fun., and Foxy Shazam. Bring a rain poncho and come on down to the Festival Pier at Penn's Landing! Doors at 6, show at 7.More later - are you going? Did you go? Comment here and/or in our message boards, tell your tale! Post your show pi…