The Kalin Twins (born 16 February 1934, Port Jervis, New York, USA) were a pop music recording duo, comprising twin brothers Hal and Herbie Kalin (d. 24 August 2005 and 21 July 2006, respectively). A classic example of one-hit-wonder syndrome, the Kalin Twins have a more interesting history than many who fall into this age group. They were real life twins (many references give their birth date as 1939 but this was a Decca Records diversion, in an attempt to make them appear younger than they were).

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