For years, the Verbier Festival in the Swiss Alps has been a showcase of talented musicians from around the world who congregate in the bucolic setting for a number of events. For the festival's 10th anniversary, renowned pianists such as Leif Ove Andsnes, Martha Argerich, Claude Frank, Evgeny Kissin, Lang Lang and more take on works by Mozart, Wagner, Rimsky-Korsakov, Smetana and Gottschalk arranged for 4 to 16 hands.