Tom Service investigates the world of "semi-opera" as Mark Morris and Jane Glover prepare to stage Purcell and Dryden's King Arthur for
English National Opera. Conductor and author
Robert Craft takes a break from recording to talk about his encounters with many of the seminal figures in 20th-century intellectual and cultural life, and a took behind the doors of Tate Modern's Kandinsky exhibition prompts an examination of the artist's relationship with Schoenberg.