..sometimes whilst reading mudcat it's easy to get confused which century this is...

Sound reinforcement done properly should be so subtle it goes unoticed in a small folk venue..
But if a member of an audience thinks they see a speaker lurking,
then all hysteria, panic, and despair can break loose...

A rioting stampede for the exit may ensue...

At least some of these folks are gradually getting less spooked by electicity mains sockets in folk clubs..