21:15Desert Island Discs RevisitedThe Emerald IsleColm ToibinBBC Radio 4 Extra Duration: 45 minutes Sun 18th Mar 2018, 21:15 on BBC Radio 4 Extra4 Extra Debut. From George Bizet to Joni Mitchell. Writer Colm Toibin shares his castaway choices with Kirsty Young. From January 2016.GenresMusicBrandDesert Island Discs RevisitedSeriesDesert Island Discs Revisited: The Emerald Isle Source: BBC Online