Built in 1918, the OK is Listed on the US National Register of Historic Places and Features a Robust Concert Schedule Year-round.
| Del McCoury | Billy Strings | Victor Wooten | Ural Thomas & The Pain |
| Joseph | Sierra Hull | Infamous Stringdusters | Brothers Brann |
| Quebe Sisters | Eric Bibb | The Brothers Comatose | Shook Twins |
| Kristyn Harris | Dave Stamey | Caleb Clouder & Reeb Willms | Liz Vice |
| Amy Helm | Zach Topp | Reckless Kelly | Asleep at the Wheel |
| Mark O’Connor | Dom Flemons | Lindsay Lou | Tony Furtado |
| Brady Goss | Rushad Eggleston | Joni Harms | Fruition |
| John Craigie | The Lowest Pair | TK & The Holy Know-Nothings |
| The Pine Hearts | Bart Budwig | Meredith Lane |
| Trego | Maita | Caitlin Jemma |
| Jeremy James Meyer | Tommy Alexander | Andrew Vine |
| Goldish | Jeremy Ferrera | Erisy Watt |
| Daniel Steinblock | MidLo | Five Letter Word |
| Nevada Sole | Mise | An American Forrest |