Colorado’s Big Gigantic played at Chicago’s Lollapalooza over the weekend, welcoming several guests onstage in the process, including Jennifer Hartswick, Waka Flocka Flame and more.

Flocka, whose music Big Gigantic has played live in the past, came on for an unreleased track and a few of his own tunes, while Hartswick also joined in on some unreleased tracks. Snails sat in for “Funk with Me,” which features BG on the studio version, and New Orleans rapper Pell came up for his own BG collaboration, “Miss Primetime.”

Big Gigantic are now off the road until their slot at Audiotree Music Festival in Kalamazoo, MI, on August 20.