Metallica have shared official footage of “Master Of Puppets” from their July 28 set at the Lollapalooza festival in Chicago, IL. You can check that out below. As previously reported, the performance included the now famous scene from “Stranger Things” in which Joseph Quinn’s character, Eddie Munson, performed “Master Of Puppets” inside the “Upside Down.” Notably, Quinn also jammed the track with the band backstage at the aforementioned festival.