A few months ago, I got roped into helping to get the "Journée Science et Musique 2012" event off the ground. Mostly, my contribution to date has been to be a part of the team wrangling an ugly mess of HTML, PHP, and CSS into shape. Well, as of yesterday that abomination is live and open to the public. As we get closer to the date, I'll probably get involved into other parts of the event as well - in fact I have two demos that I'm working on that we might show off at the event.
I'm looking forward to it, it should be a lot of fun.