Voir sur FrenchStream. For twenty years the Wiesenbergers cultivated the same rituals. Practising once a week in the local chappel and singing for weddings and birthdays. Meanwhile, their world turned upside down. Their CD is rising up the charts and they're overwhelmed with concert request - showbusiness is calling. Now, they even were invited to perform in Shanghai. But the tempting offer puts their solidarity to a test.