Given the question: What type of details about caroline af ugglas  can be gathered from the following bio?  Bio: caroline thérese af ugglas liljedahl -lrb- born 7 april 1972 -rrb- is a swedish singer , artist and chorister . af ugglas created the format for a televised choir contest , which was picked up by nbc in the united states as the show `` clash of the choirs '' , and by the seven network in australia as `` battle of the choirs '' .
The answer is:
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