I couldn't have named a Grateful Dead song with any confidence before Thursday night. Which immediately put me at a disadvantage against the people wearing tie dye who looked like they'd been preparing for this moment since approximately 1978. The difference was noticeable before Scarlet Begonias ever played a note. The crowd wasn't quite as large as the week before, but it was definitely different. More tie dye. More Billy Strings shirts. More folks who didn't look