I'm glad I made it. Like I said, if you hadn't blogged about it, I would have missed it. These events get no publicity, and they should. Just as with things like the Vitosha cleaning initiative - the best they can hope for is a short mention on the evening news. After the event. So thanks for the information. :)
I was expecting more traditional garments, though. Still, matching shirts are OK for such an event and there was that group were they looked like they just stepped out of work for a few dances. It was good and funny. The only costumes I didn't like were the all black ones with a rug tucked in the belt. They looked like waiters in a seaside restaurant. The rest was pretty good, though. These things should be done more often.
And hey, you weren't the worst dancer there. You put more effort in it than a lot of people and you were better than them. 
Btw, Hristo Botev hall is well-known place for concerts despite its notoriously poor acoustics. It's a sports hall and it's not exactly new, as you may have guessed by the giant Todor Zhivkov portrait at the back entrance :P

About the jam - my favourite way of eating it is with cheese inside a pancake (without the strawberries). Though some people don't like the cheese combination, and I remember my pancake idea didn't quit work with the pumpkin jam. So you just eat it however you feel like :) I hope you like it.