In Tune - 03/09/2009 Simon Halsey and Jac van Steen

Sean Rafferty presents a selection of music and guests from the arts world. Choral conductor Simon Halsey talks to Sean about his involvement with the performance of Handel's Messiah in Prom 68 and Jac van Steen, principal guest conductor of the BBC National Orchestra of Wales speaks about conducting them at Prom 67.