"Who Can It Be Now?" by Australian band Men at Work, was first released as a single in June 1981, prior to the recording of their 1981 debut album Business as Usual, on which the track was later included.
http://en.wikipedia.org/wiki/Who_Can_It_Be_Now?
http://en.wikipedia.org/wiki/Business_as_Usual_(album)
http://en.wikipedia.org/wiki/Men_at_Work
http://en.wikipedia.org/wiki/Who_Can_It_Be_Now?
http://en.wikipedia.org/wiki/Business_as_Usual_(album)
http://en.wikipedia.org/wiki/Men_at_Work
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https://creativecommons.org/licenses/by-sa/3.0/