In this film, Mark van de Wiel introduces his instrument - the clarinet. To learn more about the clarinet visit http://www.philharmonia.co.uk/explore/instruments/clarinet Why not download our iPad app The Orchestra to learn even more? Visit www.philharmonia.co.uk/app for more information. "Have you seen the app called 'The Orchestra'? It is astonishing. For somebody who can't read music to learn how an orchestra functions, to be able to see from the perspective of a flute or a second violi