hootenanny

noun2

1. •
   An informal, festive performance by folk singers, often including audience participation with the use of acoustic instruments.

   • It bespoke country’s devotion to realism, to songs about Saturday night’s hootenanny and Sunday morning’s moral reckoning, not to mention the kitchen-table truths of Monday through Friday. — 2013
2. •
   (no longer used) A placeholder word for a nonspecific or forgotten thing.