The dream of the 90s is alive at #KeyArena. #jackirons + #eddievedder

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Pearl Jam's Eddie Vedder surprised an unsuspecting crowd at the Red Hot Chili Peppers show in Seattle this past weekend.

He took the stage to join up with ex-Pearl Jam drummer Jack Irons, who drums for RHCP, to cover Pink Floyd's "Shine On You Crazy Diamond."

Catch the fan captured footage!