8: Variations, Canons and Fugues. If you've got a tune in your head, what can you do with it to make a longer piece of music? Konnie Huq finds out from composer
Bill Connor , who explains how he took the Blue Petersignature tune and wrote some Blue Peter Variants for the BBC Philharmonic.
He also describes how Benjamin Britten used a tune by an earlier composer as the basis for The Young Person's Guide to the Orchestra, subtitled Variations and Fugue on a Theme of Purcell.
