The Anthony Hall, 33 London Rd, Aston Clinton, HP22 5HG. 11am and 3pm. £20; £10 under 18’s. Beethoven Sonata for violin and piano No 1 Op 12 in D major, Arvo Pärt  Spiegel im Spiegel, Schubert Piano Trio No 1 in B flat D 898.