In this film, Alistair Mackie introduces his instrument - the trumpet. To learn more about the trumpet visit http://www.philharmonia.co.uk/explore/instruments/trumpet 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 violin, i