With Sarah Walker. Today's pieces by contemporaries of Mozart include a recently discovered aria for clarinet and soprano by Peter von Winter and a piano sonata by Joseph Martin Kraus, often referred to as 'the Swedish Mozart' 10.00 Hofmann: Symphony in F major (Badley F2) Northern Chamber Orchestra, Nicholas Ward (conductor) NAXOS 8.553866 10.14 Peter von Winter: Aria for Soprano, Solo Clarinet and Strings 'Torni al tuo sen la calma' Dieter Klöcker (clarinet), Isolde Siebert (soprano), Südwestdeutsches Kammerorchester Pforzheim, Johannes Moesus (conductor) ORFEO C 192 041 A 10.24 Brahms: Haydn Variations Op.56a Berlin Philharmonic Orchestra, Claudio Abbado (conductor) DG 435 349-2 10.43 Hummel: Piano Trio in E flat major Op.12 Trio Parnassus MDG 303 0307-2 (2 CDs) 11.02 Giambattista Martini: Toccata Haken Hardenberger (trumpet), Simon Preston (organ) PHILIPS 434 074-2 11.04 Paganini: Caprice No.24 (arr. Julian Milone and Alison Balsom) Alison Balsom (trumpet) EMI 3532552 11.05 Hovhaness: Prayer of St. Gregory Op.62b John Wallace (trumpet), The Royal Academy of Music and Drama Wind Orchestra, Keith Brion (conductor) NAXOS 8.559207 11.13 Joseph Martin Kraus: Piano Sonata in E major VB196 Ronald Brautigam (fortepiano) BIS 1319 11.40 Leopold Mozart: Trombone Concerto in G major Alain Trudel (trombone and director), Northern Sinfonia NAXOS 8.553831.