Quite a few years ago I went along to the festival on what turned out to be a massive day of woo. I'd only intended for it to be a half day of woo with a morning of genetics being discussed, as a non-woo contrast. Unfortunately I failed to notice that the genetics discussion I'd signed up for was at Rudolf Steiner house...
The details are hazy but I went along imagining something like a Royal Institution lecture, perhaps even being recorded for radio, and realised my mistake as soon as I walked into a room with a small horse shoe of about 15 chairs. I was of a mind to make a dash for it but stuck it out.
There was a chap (Dean from Reading, hi if you're reading) sitting opposite me who was a fellow skeptic and whose eye I avoided for the entire event in case he set me off giggling.
All I can really remember was trying to rearrange my face not to appear too mocking when one of our small group raised the serious issue of creating a cloned human as whichever died first would get into heaven leaving the soul of the cloned human in real trouble.
At the tea break one woman who'd sat silently next to me for the event till that point announced she was leaving - not because she was made of tougher stuff than me and decided the woo was enough, but because she was extremely socially anxious and worried constantly that she'd just said something inappropriate. I felt a bit sorry for her in what's obviously a miserable plight but it really was a pretty odd morning.
Then I trotted along to the MBS Festival - the best and most sensible bit has to be the 'gong therapy'. I'm no idea if it's remotely therapeutic but the bowls and gongs do make a fantastic sound. More recently I enjoyed them, in an ostensibly non-therapeutic setting, at Longplayer in Camden. Here's a brief video I took, at TwitVid and an audioboo.