Tom Service and Sarah Walker discuss their 'Why Music?' highlights and discoveries.
BBC Radio 3
Sound recordist Chris Watson muses on memory and sounds from the natural world.
Radio 3's Tom Service and 6 Music's Cerys Matthews join forces for a special simulcast.
Music and readings from Marcel Proust's life and novel of memory, In Search of Lost Time.
Sarah Walker explores how music enhances the lives of those who live with dementia.
Beethoven's Diabelli Variations discussed and played by acclaimed pianist Igor Levit.
Philip Ball explores how our memories are essential to our music, from formation to loss.