Billie Joe Armstrong and Mike Dirnt of Green Day performed with SWMRS at a show in Oakland.
SWMRS were hosting the evening, raising money to benefit victims of the recent Ghost Ship warehouse fire in the city.
You can watch them play 'Murder City' just below.
A video posted by @mnnesotagirl on
Green Day will return to the UK next year. Those dates are:
05 - LEEDS First Direct Arena
06 - MANCHESTER Arena
08 - LONDON O2
01 - LONDON Hyde Park
Billie Joe Armstrong features in our ultimate review of 2016, available in the new issue of Rock Sound! To get it, you can: