| Tuesday, May 18, 2021 |
| 12:00 AM | 40ROCKs: 40 Years of Live Music on GrassRoots TV - 'Local Superstars' Featuring John Oates, John Denver, Bobby Mason, |
| 1:30 AM | 40 ROCKs: 40 Years of Live Music on GrassRoots TV: Heavy Metal (Featuring: The Butchers, Big Swifty, Josh Phillips and ZEC, Buddy Miles 1985) |
| 3:30 AM | 40 ROCKs: 40 Years of Live Music on GrassRoots TV: The 90's (Featuring: Leftover Salmon and Zuba) |
| 5:00 AM | 40 ROCKs: 40 Years of Live Music on GrassRoots TV-' The 70's' (Featuring Chris Cox, Ken McGuiness, Bo Hale, Jimmy Dykann, Jimmy Buffett, Lorenzo Vega, Rodeo, Bobby Mason, Jimmy Ibbotson, Tracy McClain |
| 7:00 AM | The First John Denver Tribute Festival at the Wheeler Opera House - Part 1 of 3 |
| 9:00 AM | The First John Denver Tribute Festival at the Wheeler Opera House - Part 2 of 3 |
| 11:00 AM | The First John Denver Tribute Festival at the Wheeler Opera House - Part 3 of 3 |
| 1:00 PM | Basalt Regional Library Music Series: "Spring for Sopris Strings" featuring the Sopris Quartet |
| 2:00 PM | Aspen Art Museum presents: 2021 Teen Art Corps Celebration |
| 2:30 PM | Pitkin County Solid Waste Center - "Operations & Maintenance Facility Grand Opening" |
| 3:00 PM | Lifestyles of the Poor and Unknown with Doc Eason and Host Hinton Harrison |
| 4:00 PM | Aspen Art Museum presents: Art Matters featuring Dara Friedman |
| 4:30 PM | Amory Lovins and Rocky Mountain Institute present: "Disruptive Energy Futures" with Amory Lovins, Cofounder and Chief Scientist of Rocky Mountain Institute |
| 5:00 PM | Healthy Lifestyles - "How Diet Affects Climate Change" with Dr. Tom Lankering and Jason Smith |
| 5:30 PM | Aspen Talks Health - "Massively Mobilizing Sustainability" with Aaron Perry and Dr. Nicola Siso |
| 6:00 PM | The Local's Show - “The Faces of Dav” with Professional Skier Chris Davenport and Host Erik Skarvan |
| 6:30 PM | GrassRoots Video Archive - "Rifle - Boom Town of the 1970's?" |
| 7:30 PM | GrassRoots Video Archive - "History of Aspen Ski Corporation (1971)" written, produced, and directed by Steve Horowitz |
| 8:30 PM | Basalt Regional Library Music Series: "Spring for Sopris Strings" featuring the Sopris Quartet |
| 9:30 PM | Aspen Art Museum presents: 2021 Teen Art Corps Celebration |
| 10:00 PM | The Local's Show - “The Faces of Dav” with Professional Skier Chris Davenport and Host Erik Skarvan |
| 10:30 PM | The Wilderness Workshop, Roaring Fork Audubon, & ACES presents: Naturalist Nights - "Ecosystems of the Colorado Plateau: What Does the Future Hold?" |