Paul Gambaccini hosts radio's most challenging music quiz. Now in its 39th series, contestants from around the country have assembled to be tested on their knowledge of music from across the centuries, and across every genre.

This week, our three contestants pick from topics including ‘Teenage Stars’, ‘XTC's English Vision' and ‘All That Acid Jazz’.

Producer: Tom Du Croz Production coordinator: Jodie Charman

A BBC Studios Production for Radio 4

If you are interested in taking part in a future series of Counterpoint, please email counterpoint@bbc.co.uk