Tom Service discusses the collaborative process with actress Fiona Shaw as she makes her directorial debut in the opera world in charge of a new production of Ralph Vaughan Williams's Riders to the Sea. With the latest Streetwise Opera project, My Secret Heart, bringing together the homeless with professional opera through Allegri's Miserere, and an interview with leading young German composer Jorg Widmann. Plus a look back at the history of the London Sinfonietta, reflecting on the progress made in new music since its establishment 40 years ago.