Bluegrass Underground Schedule 2025. Tickets for the originally scheduled dates are good for the new 2022 dates. While the name has been retired, bluegrass underground will live on at the caverns in a different way, with a traditional bluegrass festival every year.

Doors 2p ct • underground concert • reserved seating; Formerly known as bluegrass underground, this magical, musical adventure series is taped deep within the subterranean amphitheater of the caverns in tennessee’s majestic.