Ivan Hewett introduces music by Korean composer Unsuk Chin, who talks about the medieval influences behind her work Miroir des temps. Plus a recording of Chris Dench's piece for solo piano Passing bells: night, performed by Philip Mead at the 2007 Spitalfields Festival in London. Unsuk Chin: Concerto for violin and strings Hae-Sun Kang (violin) BBC Philharmonic James MacMillan (conductor) Unsuk Chin: Miroirs des temps (BBC Commission) Hilliard Ensemble BBC Philharmonic James MacMillan (conductor) Chris Dench: Passing bells: night Philip Mead (piano).