Sunnyside Music Festival 2026

The 26th annual Sunnyside Music Festival returns to Chaffee Park on Saturday, September 12, 2026, from noon to 7:30 p.m. Admission is free and the whole event is volunteer-run. Lineup: Elle Michelle's Grateful Holler (12-1 p.m.), Johnny & the Mongrels (1:30-2:30 p.m.), Beasts of No Nation (3-4 p.m.), Other Brothers (4-5:30 p.m.) and Gasoline Lollipops (6-7:30 p.m.). The day also includes an artisan market, food trucks, a craft beverage garden and a dedicated Kids Area with rock climbing and face painting. A community yoga session with Better Buzz Yoga starts at 11 a.m. The nonprofit festival awards $10,000 in grants to neighborhood youth music and arts programs. Chaffee Park, 1901 W. 43rd Ave., Denver, CO 80211. More info at sunnysidemusicfest.org.