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Four men stand outdoors in front of bare trees. Text: "Mountains of Music, Mountain Grass Unit, Vail, CO June 4 The Amp, GoPro Mountain Games." Stylized border frames the image.

Mountain Grass Unit

Event Details

Mountain Grass Unit is a rising bluegrass quartet from Birmingham, Alabama, known for their high-energy performances, tight four-part harmonies, and fearless improvisation. Blending traditional bluegrass with influences from country, jazz, rock, and jam music, the band has quickly become one of the most exciting young acts in the modern roots scene.

Mountains of Music Concert Series | Enhance your amazing experience at the GoPro Mountain Games and enjoy these live performances at Vail’s iconic, open-air Gerald R. Ford Amphitheater. The 2026 GoPro Mountain Games will once again feature incredible live concerts throughout the event as part of the Mountains of Music concert series. Ticketed headliner concerts at The Amp will be the place to be on Thursday, Friday and Saturday nights.