The American novelist Willa Cather's 'The Song of the Lark' was first published a hundred years ago in 1915. Her biographer Dame Hermione Lee talks to New Generation Thinker Sarah Dillon about Cather's story of a young girl who leaves her home town in Colorado to pursue a career as an opera singer. The reader is Laurel Lefkow. Recorded in front of an audience at the Royal College of Music.