Vocalist Merry Clayton delivers hope in "Gimme Shelter" — December 5, 1969 — through a dark gospel plea wrapped with armageddon, her voice a thunder crack at 3:01, shaking the empty pews.
Read MoreMore than 50 years ago, the Grateful Dead play a mellow acoustic set billed as "Mickey Hart and the Heartbeats and Bobby Ace and the Cards from the Bottom of the Deck" — a ridiculous, stealth name referencing drummer Hart and Bob Weir.
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