Video shows him telling Bifolchi to climb up onto the stage then ordering him to stop his "we're not worthy" routine, before telling him to take Taylor Hawkins' place behind the kit.

Grohl says: "If you suck on the drums I will personally tar and feather your ass backstage." He then tells the crowd: "I sure hope this motherf***er doesn't suck," before asking the fan, "Do you know Foo Fighters songs?" When he asks to play Best Of You the mainman replies: "That's the last one we're going to play tonight, ding-dong!"