Anecdotes wanted

I need your help in collecting stories of impromptu ceilidhs and singsongs, please - when and where, how they happened, and how people felt about them. Anything from your own experience, and anything you've heard or read.

Or have you experienced opposition to making music: people too embarrassed to join in, or annoyed by the noise?

If you can give dates and places, even better.

Please comment.