12:15Music MattersDawn Upshaw, Mozart, 3 British female composers and keeping the musical legacy alive.BBC Radio 3 Duration: 45 minutes Sat 9th Jun 2012, 12:15 on BBC Radio 3Available for over a yearListen nowTom Service speaks to soprano Dawn Upshaw, and to the widows of Nono, Nancarrow and Berio.GenresFactualArts, Culture & the MediaBrandMusic Matters Source: BBC Online