1 BBC PROMS

Put aside six hours of your life for Messiaën's vast opera St Francis of Assisi (Sun). Other highlights of the final week include the Chicago SO and Bernard Haitink performing Turnage and Mahler (Mon) and Mozart and Shostakovich (Tues), and the Orchestre de Paris, also playing Mahler, under Christoph Eschenbach (Thur). Beethoven's Choral Symphony, conducted by Gianandrea Noseda, is restored to its proper place on the penultimate night (Fri).
Albert Hall, Kensington Gore, SW7 (www.royalalbert hall.com 020-7589 8212), until Sept 13

2 STRING QUARTET ACADEMY

Showcase for young quartets from the UK, Netherlands, Germany and Austria.
Snape Maltings, Snape Bridge (www.aldeburgh.co.uk 01728 687110), Thur (3pm)

3 CHELSEA SCHUBERT FESTIVAL

This enterprising venture includes chamber music and songs by the prolific Schubert and other composers influenced by him. Features mainly up-and-coming young performers.
Holy Trinity Church, Sloane Street, SW1 (www.chelseaschubertfest.co.uk 0207-730 7270), until Sept 19

4 MOZART AT WILTON'S

The old Victorian music hall echoes to the sound of Amadeus for a small festival of chamber works.
Wilton's Music Hall, Grace's Alley, Ensign Street, E1 (www.wiltons.org.uk 020-7702 2789), until Sept 14

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