Rũfũs Du Sol, Kacey Musgraves To Headline Up In The Sky Music Festival

On August 8th and 9th, 2025, the inaugural Up In The Sky Music Festival will take place at Buttermilk in Aspen, CO. The two-day festival will be headlined by Rüfüs Du Sol and Kacey Musgraves. Other acts will include Glass Animals, SG Lewis, Suki Waterhouse, and more.

Passes for the festival are on sale now, and you can view the full day-by-day lineup below.

Up In The Sky Music Festival 2025
Day 1 - Friday, August 8th, 2025
Rüfüs Du Sol
SG Lewis (Live)
Suki Waterhouse
Glass Beams

Day 2 - Saturday, August 9th, 2025
Kacey Musgraves
Glass Animals
Role Model
Nessa Barrett
Jensen McRae