Valley City Monthly Bluegrass Jam Session Saturday, August 10, 2024 The Vault Coffee Shop and Arts Center 1:00 pm – 5:00 pm. Regional bluegrass musicians gather to play and sing bluegrass favorites. No charge; listeners welcome. Acoustic-only. Sponsored by the Bluegrass Association of North Dakota and the Vault Coffee Shop and Arts Center. For more information call John Andrus at 701-721-8296.