"Any festival that has featured a piece of music called Ha, Ha! Your Mushrooms Have Gone ('an installation featuring bio-electric sounds, generated by live locally grown mushrooms') has got to be worth a visit. That was just one of dozens of out-there musical compositions performed in 2007 during the 30th anniversary year of the Huddersfield Contemporary Music Festival.

Held at the end of November, it's challenging stuff: you might encounter anything from a concerto for dustbins to a vegetable orchestra, or a conductor wired up to cables and laptops, doing an odd interpretive dance. But it's not all about headline-grabbing gimmicks. Performers in years gone by have included contemporary classical music scene stars such as Karlheinz Stockhausen, Terry Riley, Brian Eno and John Cage - whose most famous piece, 4'33", consists of a pianist refraining from hitting any keys for four minutes and 300 seconds." Time Out 1000 things to do in Britain

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