Sean Rafferty with guests from across the week on In Tune, including harpsichordist and director Trevor Pinnock, folk duo Hannah Sanders and Ben Savage, the Doric String Quartet, The King's Men (close harmony group of choral scholars from King's College Cambridge) with composer and Radio 3 presenter Michael Berkeley on his commission for Nine Lessons and Carols, and BLOCK4 the recorder quartet from BBC Classical Introducing.