Tonight at Red Rocks, Furthur kicks off its highly anticipated four-night run. The band just announced a touring hiatus after its Mexico run in January, so you definitely won't want to miss these shows. Like the Dead, Furthur attracts followers that are unfailingly devout, all of whom you can meet and greet on Shakedown Street. If you fall into that category, no primer is needed, obviously. If not, here's everything you need to know to make the most of your experience.