 Novoselic's first experience with Foo Fighters was during the encore of their show on August 29, 1997 at Memorial Stadium as part of the Bumbershoot festival, where he played bass for the band's covers of "Purple Rain" and "Communication Breakdown".In January 2002, Novoselic performed backing vocals for a non-album track titled "Walking a Line", later released on a special edition of the band's album "One by One".Later, during the encore of Foo Fighters' secret show at Paladino's in Tarzana, California on December 22, 2010, the band, with Grohl on drums, was joined onstage by Novoselic and the band's live guitarist Pat Smear for a version of Nirvana's "Marigold", a 1992 Grohl original, which was a B-side on Nirvana's "Heart-Shaped Box".