Home Features Paul McCartney Guests on Foo Fighters’ ‘Concrete and Gold,’ But Pop Star Cameo Still a Mystery Paul McCartney Guests on Foo Fighters’ ‘Concrete and Gold,’ But Pop Star Cameo Still a Mystery planetsixstring August 3, 2017 comments off Tweet on Twitter Share on Facebook Google+ Pinterest In an interview with ET Canada, it’s revealed that Paul McCartney will be on the Foo Fighters’ ‘Concrete and Gold’ album. Continue reading…