Dutch conductor Andre Rieu (C), actor Martijn Fischer (R) and comedian Andre van Duin rehearse on April 25, 2013 in Rieu's studio in Maastricht
{"Image ImageDescription": "Dutch conductor Andre Rieu (C), actor Martijn Fischer (R) and comedian Andre van Duin rehearse on April 25, 2013 in Rieu's studio in Maastricht. Rieu will perform with the Johann Strauss orchestra on April 30 at the Kings Ball in Amsterdam after the coronation of Prince Willem-Alexander. AFP PHOTO / ANP / KIPPA MARCEL HOORN  - netherlands out -        (Photo credit should read MARCEL VAN HOORN/AFP via Getty Images)", "Image Copyright": "2013 AFP"}