Confessions of a picky Deadhead

They say some song the band is playing is great, an all-timer, and they stand nearby nodding in the noodling groove, bobbing together, and you think it's junk, like an off-night Brent Mydland-era type 1980s show that sounds like a hollow hammer echoing in a giant tin box. But because you're both into the Grateful Dead - whose long, strange trip of a half-century finishes up in Chicago on July 3, 4, and 5 - and because you both have probably smoked pot and have a nostalgic love for the band and l