Tom Service looks at music in flight - the miraculous musical form that is the fugue, where melodies chase each other, work against each other and come together in a supremely logical and often exhilarating fusion. How does it work, why is it important and can we learn to love the fugue in the 21st century? Tom tries his hand at playing Bach's Fugue in C minor from Book 1 of the Well-Tempered Clavier, a challenge to many a piano exam student, gets tips on tackling fugues from virtuoso harpsichord player Mahan Esfahani, and comes across a very contemporary take on the art of learning about fugue. Lady Gaga is involved...