With Sarah Walker. 10.00am Ravel: Piano Concerto in G Martha Argerich (piano) London Symphony Orchestra Claudio Abbado (conductor) DG 447 438-2 10.22am Mendelssohn: String Quartet in A minor, Op 13 Quatuor Mosaiques ASTREE E 8622 10.55am Mendelssohn: Ich wollt, mieine Lieb ergosse sich, Op 63 No 1 Angelika Kirschlager, Barbara Bonney (soprano) Malcolm Martineau (piano) SONY CLASSICAL SK931330 11.00am From Watford Colosseum: Haydn: Symphony No 42 BBC Concert Orchestra Eivind Aadland (conductor) 11.22am Monteverdi: Orfeo: Act IV (excerpt) Orfeo ...... Mirko Guadagnini (tenor) Euridice ...... Emanuela Galli (soprano) La Venexiana Claudio Cavina (director) GLOSSA GES920913-E 11.34am Bernstein: Clarinet Sonata Emma Johnson (clarinet) John Lenehan (piano) NAXOS 8.572240 11.48am Dvorak: Slavonic Dances, Op 46 (selection) Czech Philharmonic Karol Sejna (conductor) SUPRAPHON SU 1916-2 011.