Bidding has begun on a hand-drawn Acid Test poster from the night the Grateful Dead performed under their new name for the first time.

A look at what the Grateful Dead used to make up their legendarily long concerts, from extended jam sessions over their songs to covers of other artists.

A pristine poster from the Grateful Dead’s first concert is up for auction, but hardcore Deadheads will have to splurge to get their hands on the historic item. The colorful hand-drawn crayon sign ...

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