UPDATED 08/09/11 9:12 a.m.

CHICAGO (CBS) — Psychedelic rock band “Portugal. The Man” saw their trailer full of gear stolen after they played Lollapalooza Sunday night.

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The trailer was later found, but it was hardly a happy ending.

The band, who are based in Portland, Ore., but are from Wasilla, Alaska, had been playing at the festival when their trailer was stolen from an attended lot in Grant Park, according to a band tweet.

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The thieves took the band’s Red Ford 15 passenger 350 van with a black trailer attached, and Alaska license plates FJH244.

Police found the van and trailer on Monday night. It was recovered in the 5800 block of South Paulina Street in the West Englewood neighborhood.

Everything that had been inside the trailer was gone.

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“Portugal. The Man” recently came out with their sixth album, “In the Mountain of the Cloud.” They were onstage at Lollapalooza at 5 p.m. Sunday on the Sony Stage near Balbo and Lake Shore drives.