Key MattersSeries 2Episode 1: A MajorBBC Radio 4 Duration: 14 minutesFirst broadcast: Mon 20th Sep 2010, 15:45 on BBC Radio 4 FMLatest broadcast: Sun 12th Feb 2012, 14:45 on BBC Radio 4 LWAvailable for over a yearListen nowIvan Hewett talks to pianist and conductor Jonathan Cohen about the key of A Major, a key often associated with optimism and even ecstasy.GenresMusicFormatsDocumentariesBrandKey MattersSeriesKey Matters: Series 2 Source: BBC Online