12:15Free Thinking2011Music Matters: Has Music Changed the World?BBC Radio 3 Duration: 45 minutes Sat 5th Nov 2011, 12:15 on BBC Radio 3Available for over a yearListen nowTom Service debates classical music's impact on the world with a panel of guests.GenresFactualArts, Culture & the MediaBrandFree ThinkingSeriesFree Thinking: 2011 Source: BBC Online