03:45Key MattersSeries 1F sharp majorBBC Radio 4 Extra Duration: 15 minutes Mon 11th Mar 2019, 03:45 on BBC Radio 4 ExtraAvailable for over a yearListen nowIvan Hewett examines five musical keys. Today: F sharp major, as used by Beethoven, Mozart and Messiaen. With Liz Garnett.GenresMusicClassicalBrandKey MattersSeriesKey Matters: Series 1 Source: BBC Online