A screech of fiddle players A reverberation of drummers A groan of bagpipers A twang of mandolin players A tootle of flautists

But what would be the proper word to describe those people who go to folk clubs, sing the same song every week, too slow, out of key, with their finger in their ears, and complain about the least deviation from the norm in everyone else's performance?

Please insert in following; A bore of....