As Andrew Lloyd Webber turns 70, Kirsty Lang talks to the composer about how he transformed musical theatre with hits like Jesus Christ Superstar, Evita and Joseph and the Amazing Technicolour Dreamcoat.

When Sunset Boulevard joined School of Rock, Cats and The Phantom of the Opera on Broadway last year, Andrew Lloyd Webber became the only person to equal the record set in 1953 by his musical heroes Rogers and Hammerstein with four Broadway shows running concurrently. He talks about the process of how he composes, the future of musical theatre - and how he landed an extremely rare interview with Vladimir Putin.

Unmasked, the autobiography and Unmasked, The Platinum Collection are both available now.

Presenter: Kirsty Lang