In today's requests Autumn from Vivaldi's Four Seasons gets a make over from ensemble Red Priest. Pianist Eric Parkin brings out the gilded colours of the fall in Moeran's Autumn Woods. Also on the programme cellist Steven Isserlis and pianist Stephen Hough join forces in a persuasive and reflective performance of Franck's Cello Sonata in A. Fiona's guest is David Butcher Chief Executive of the Britten Sinfonia.