Stephanie Hughes with arts news and music, including Brahms's Variations on a Theme by Haydn performed by the Cleveland Orchestra, conductor Vladimir Ashkenazy , at
6.30; Schubert's Impromptu in G flat, D899 No 3, played by pianist Maria Joao Pires at 7.30; and Lutoslawski's Variations on a Theme of Paganini played by the French pianists Antoinette and Claire Cann after the 8.00 news.