Klaatu’s Calling Occupants of Interplanetary Craft was originally released in 1976 on their first album 3:47 EST. The song would open night transmission of the pirate radio station Radio Caroline. The year following its release, the Carpenters covered the song, using a crew of 160 musicians, and their version reached the top 10 in the UK and Canada, and charted at number 1 in Ireland.
