Up In The Sky Music Festival has unveiled its 2026 lineup, confirming a high-altitude return to Buttermilk Mountain in Aspen on 7th - 8th August, 2026. Headlining the second annual edition are global house heavyweight John Summit and Australian chart-topper Dom Dolla, setting the tone for a weekend that blends electronic energy with alpine luxury. Produced by Belly Up Aspen in partnership with C3 Presents, the boutique Colorado festival continues to position itself as a premium summer destination.

Joining the headliners is a diverse bill led by Empire of the Sun, Parcels and Polo & Pan, alongside rising R&B talent Leon Thomas and indie favourites Passion Pit. The undercard features Night Tapes, Collect 200, Good Neighbours, NIMINO, Me Nü and Paperwater, while the Aspen Music Festival & School Orchestra will deliver special daily afternoon performances, adding a distinct local touch.

Tickets go on sale at 10am on 5th March, 2026, including one-day and two-day General Admission and VIP options, plus elevated two-day Cabin Packages. A Roaring Fork Valley presale begins at 10am on 4th March, 2026, offering discounted two-day GA and VIP passes for local residents. VIP inclusions span exclusive front-of-stage viewing, shaded lounge areas, premium restrooms and dedicated bars with complimentary select beverages and curated food stations.

For those seeking a next-level experience, the Cabin Experience delivers private elevated tables for 10 with premium main stage views, dedicated Wynn Nightlife VIP host service and Nobu signature cuisine from Matsuhisa and Yuki Aspen. With mountain scenery, world-class production and a lineup bridging global electronic stars and indie favourites, Up In The Sky 2026 is shaping up as one of North America’s most distinctive boutique festivals.