Yeah, me and @fatyeti24 did that one year (2010? 2009?) Sat by the dragon for a bit "Well, we've pretty much seen all of the festival now" "Yeah... Except the underground piano bar" "Yeah. I wonder where that is?" "Dunno"   Found it last year though. We queued outside for ages without it moving, before finally giving up, after hearing you could get in (earlier?) by crawling through a tunnel. That's not a delightful secret, it's a tourist trap with a velvet rope cove