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In this photo taken Thursday, Jan. 10, 2013 visitors to the film set of the Afrikaans musical film "Pretville" take part in a sing-a-long, in Hartebeespoort, South Africa. The movie indulges in rock'n roll, vintage cars, greasers in sneakers, pin curl hairstyles and swing dresses, lots of pastel pink and blue, and double-thick strawberry milkshakes with extra cream. (AP Photo/Denis Farrell)

Associated Press
In this photo taken Thursday, Jan. 10, 2013 visitors to the film set of the Afrikaans musical film "Pretville" take part in a sing-a-long, in Hartebeespoort, South Africa. The movie indulges in rock'n roll, vintage cars, greasers in sneakers, pin curl hairstyles and swing dresses, lots of pastel pink and blue, and double-thick strawberry milkshakes with extra cream. (AP Photo/Denis Farrell)
In this photo taken Thursday, Jan. 10, 2013 visitors to the film set of the Afrikaans musical film "Pretville" take part in a sing-a-long, in Hartebeespoort, South Africa. The movie indulges in rock'n roll, vintage cars, greasers in sneakers, pin curl hairstyles and swing dresses, lots of pastel pink and blue, and double-thick strawberry milkshakes with extra cream. (AP Photo/Denis Farrell)
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