Melissa Viney draws upon her own experience of aloneness to reflect upon different states of solitude. Including extracts from the writings of Henry David Thoreau, Sara Maitland and Virginia Woolf, music by Emiliana Torrini, Ry Cooder and JS Bach and interviews with the artist Helaine Blumenfeld and former journalist and hostage Anthony Grey. Producer: Alan Hall A Falling Tree production for BBC Radio 4.