The Australian Chamber Orchestra, directed from the violin by Richard Tognetti, with pianist Simon Trpceski and trumpeter Tine Thing Helseth, performs Grieg's String Quartet in G minor, Op 27 (arr Tognetti for string orchestra); Shostakovich's Concerto No 1 for Piano, Trumpet and Strings; and Mozart's Symphony No 40. (Part of the Shell Classic International Series.)