February 15, 2023February 15, 2023 NCBS Good Old Fashioned Bluegrass Festival Is August 10-13 In Tres Pinos The 2023 NCBS Good Old Fashioned Bluegrass Festival will be held at the San Benito County Historical Park in Tres Pinos on August 10-13. The 2023 Good Old Fashioned Bluegrass Festival!