Producer Polly Thomas and writer Dan Rebellato have made an extraordinary piece that breaks with conventional radio drama narrative form to offer something truly distinctive. The theme remains constant so we never lose our way, but each encounter with another set of characters - who slip seamlessly into and out of each other’s scenes – is like a series of conversations overheard - the best kind of lean-forward radio. TX 4 April 2011 14.15 BBC Radio 4