63x21 - BBC Proms

Charles Hazlewood presents as the Gustav Mahler Youth Orchestra, conducted by Jonathan Nott, perform Mahler's heartbreaking Songs on the Death of Children with baritone soloist Matthias Goerne, and two works made famous by Stanley Kubrick's film 2001 - Strauss's visionary Also sprach Zarathustra and Ligeti's Atmospheres.