Alanis Morissette, Take This Waltz

With John Wilson. Canadian singer-songwriter Alanis Morissette reflects on her career so far, and her latest album, Havoc And Bright Lights.Michelle Williams, Seth Rogen and Sarah Silverman star in the film Take This Waltz, a story of eroticism and infidelity that plays out through a sweltering Toronto summer. The film is directed by Sarah Polley. Antonia Quirke reviews.The author of the music business satire Kill Your Friends, novelist John J Niven, reveals why he's written his first crime thriller, Cold HandsAmerican composer John Cage is celebrated for the way he challenges assumptions about what constitutes music. His work Branches uses cactuses as instruments. Ahead of a performance at the BBC Proms, cactus-player Robyn Schulkowsky brings cactuses to the studio, to demonstrate what Cage had in mind - and why. Producer Rebecca Nicholson.