Paul Gambaccini welcomes three more competitors to the BBC Radio Theatre for Heat Two in the 2010 series of the long-running music quiz. This week's trio of music enthusiasts come from London, Edinburgh and Brighton - and they'll be facing Paul's questions on every aspect of the musical spectrum, from the classics to show tunes, film music, jazz, pop and rock. From Palestrina to Pink Floyd, Paul Gambaccini has it covered, in 'Counterpoint'.