Greensky Bluegrass headlined Red Rocks Amphitheatre over the weekend alongside Leftover Salmon and as you’d expect, the two bands collaborated on a few songs over the course of the evening.

For starters, Greensky brought out Vince Herman and Drew Emmitt of LoS for a pair of songs in the first set including “Woody Guthrie” and “Hit Parade of Love.” In the second set, Andy Thorn joined the band for “Can’t Stop Now” in a set that also included a cover of “Light Up or Leave Me Alone.”

Greensky’s tour continues July 31 at FloydFest.