Venezuelan-born Gabriela Montero is not only a world-famous pianist, she's also a human rights activist who has been an outspoken opponent of her homeland's Chavist government. That activism has expressed itself in Gabriela's first composition, Ex Patria - a powerful tour-de-force for piano and orchestra which portrays the violence and corruption that has overtaken her native country.

Grammy-nominated mandolinist Avi Avital joins us to preview his album Between Worlds - a genre-defying tour of the globe exploring the nexus between classical, popular and traditional music.

Composer Max Richter introduces us to his eight-hour project SLEEP, designed to be listened to while sleeping.

Superstar tenor Jonas Kaufmann takes us on a tour of Franz Schubert's final song cycle Die Winterreise (The Winter Journey) - a profoundly moving and psychologically penetrating set of songs with texts by the poet Wilhelm Müller.