Matthew Sweet talks to Anna Meredith and Miguel Mera about composing the sound of space.
BBC Radio 3
Writers Philip Hoare and Jamila Gavin discuss Herman Melville's novella Billy Budd.
Debbie Wiseman and David Benedict on the ways film-makers have created mood with music.
Martin Handley discusses Parsifal with Stephen Fry and Stephen Johnson.
Andrew McGregor talks to Nick Reyland and Roxanna Panufnik about Lutoslawski and Panufnik.
Fiona McKnight and David Nice join James Jolly to discuss Prokofiev's Fifth Symphony.
Judith Chernaik and Kenneth Hamilton join Ian Skelly to discuss Romantic piano concertos.
Louise Fryer and Jonathan Cross explore Stravinsky's ballet The Firebird.
Laura Tunbridge and Julian Johnson discuss the music of Brahms.
Louise Fryer talks to Oliver Soden, Michael Berkeley and Paul Webster about Tippett.