The musicians who were part of the 2010 revival of "La Cage Aux Folles" were positioned in boxes on either side of the stage, where they both played the score and served as the house band of the louche club that's a key setting in the show.

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The Swedish band came to prominence through winning the Eurovision Song Contest in 1974, and went on to score a string of chart-topping records around the world.

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Our radio explanation also includes two bits from an old Tin Pan Alley song by Yip Harburg (who wrote the lyrics for the Wizard of Oz score) and Vernon Duke, called "April in Paris" played by the Count Basie Band.

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