Anthony Burton compares recordings of Mozart's unfinished Mass in C minor, K427 (Great). Robert Philip reviews new recordings of orchestral music, including Mozart piano concertos from Mitsuko Uchida ,
Brahms' Symphonies Nos 3 and 4 by Roger Norrington and the London
Classical Players, and Schumann's four symphonies from the CO of Europe with Nikolaus Harnoncourt. Revised repeat tomorrow 11.45pm