I've done Saint Chartier a dozen times. If I had someone new to take I would go again because I still thought it great on last visit (98) but it has been gratuitously made bigger and bigger and the earlier years for me (80s) were much more fun, more relaxed, more space. They have cracking bands on the concerts you might otherwise not even hear of albeit the seats are now too far from the stage. But then the dancing starts, at midnight after the concerts. Half a dozen dance floors or more in the village square each with their own acoustic band, no caller, pretty well always couple dances and it is magic. Its a tiny village with a château and square. Yes it was better back when - that's folk isn't it, when the portable dance floor with fairy lights was there like a dodgems though with bourrées instead but there's still fairy lights on the floors under the trees and they still dance right through till next days breakfast...then café and so fresh bread...I will have to get that passport renewed.