Purchase Big Mouth Bluegrass Festival - 2 Day Pass tickets for The Caverns - TN in Pelham, TN, scheduled for Sat, Aug 17, 2024 TBA. With 10 tickets up for grabs, priced between $176.00 to $178.00 and an average price of $177.00, there's an option for every budget. Choose your ideal seat using our handy interactive seating chart.