Klaatu was a Canadian progressive rock band formed in 1973 and disbanded in 1982. Members John Woloschuk, Dee Long and Terry Draper lived in Toronto. They released five studio albums, the most famous of which is the 1976 debut 3:47 EST (AKA Klaatu), which, due to a rumor started by a DJ, was believed by some to be a front for new work by The Beatles. The album's artwork contained no credits for the performers, and there were at times vocal similarities with Lennon and McCartney. That album's song "Calling Occupants of Interplanetary Craft" became a hit when covered by Carpenters.

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