The Foo Fighters-curated Cal Jam festival is coming up in a little over a month, and in an effort to warm up for the big show, the Foos performed a free pop-up show in Los Angeles yesterday to a few hundred lucky fans. Before Foo Fighters took the stage however, drummer Taylor Hawkins’ cover band Chevy Metal kicked things off with covers of classic tracks from The Rolling Stones, The Knacks, and Queen’s “Under Pressure”: the latter of which was accompanied by none other than Queen drummer Roger Taylor! Watch the legendary collab down below: