My guess would be Holland. Muenster is straight east of Rotterdam, and the nearest town you might have heard of is Bielefeld, still further east. We'd certainly welcome a British delegation!

Just in order to avoid any misunderstandings: the first weekend in May is - according to my diary - 5/6 May. I'm looking forward to that!

It also might be worth knowing a little about the musical leanings and abilities of the people taking part - such as, Susanne doesn't play anything but she sings a bit - not solo if she can help it, mind you!