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Once: From screen to Broadway musical

5 April 2012 Last updated at 08:21 BST

Film-to-stage adaptations are commonplace, but few have such humble origins as the Irish film Once.

It was shot on a shoestring budget in just 17 days and has now been transformed into a high profile Broadway stage-musical.

Talking Movies' Tom Brook reports.

Talking Movies is broadcast on BBC World News on Saturday at 13:30 GMT and is repeated on Sunday at 00:30, 07:30 and 20:30 BST.