Dave Grohl has been involved in multiple high-profile musical collaborations, including performing 'Highway To Hell' with AC/DC, joining Aerosmith at the Hollywood Bowl alongside Johnny Depp and Guns N' Roses, and contributing to a new version of 'About You' with The Pretty Reckless alongside Pat Smear. He also appeared on 'The Tonight Show' with the Foo Fighters, performing new material and a cover of 'Baker Street'.