It’ll never really get old, and today we get to relive it yet again as the 3.0 era of Phish turns eight years old. That fateful night inside Hampton Coliseum started with one of the biggest surprises anyone could’ve predicted, the first “Fluffhead” since 2000. Since its triumphant return in Virginia eight years ago to date, “Fluffhead” has appeared 50 more times in the shows that followed, but…