For me, definitely Artisan. Not just for their wonderful harmonies either, although for my money they're much better than Cooper Boyes and Simpson. It's also for Brian Bedford's writing, because he's easily one of the best British songwriters today - he writes the kind of "instant classic" songs that Ralph McTell and Steve Knightley used to. Oh, and they're absolutely wonderful to see on stage too, bcos they've just got that chemistry that makes you warm to them.

Someone's got to mention the Flying Pickets as well though - they did some amazing stuff, really using their voices as instruments. And on the novelty front, there's always that 80s one-hit-wonder of "Don't worry be happy" from Bobby McFerrin which isn't technically great but is an excellent fun track.

Graham.