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 ‘The Great American Songbook In The 21st Century', 'Heroes Of Prog Rock' and 'Pop And Rock Dance Routines'.

Producer: Tom Du Croz

A BBC Studios Production for Radio 4