Watch: Foo Fighters and Liam Gallagher sing Beatles 'Come Together'
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On Oct.7,  the 2017 Cal Jam (a.k.a California Jam), a one-day music festival, took place in San Bernardino, Calif. and played host to several special performances throughout its lineup. One of the most notable performances of the day saw Foo Fighters and Oasis frontman Liam Gallagher getting together to sing The Beatles classic “Come Together.” The group was also joined onstage by Aerosmith guitarist Joe Perry for the “old Beatles tune,” as Gallagher called it. This union in song came after Queens of the Stone Age’s Josh Homme accepted a sign from the crowd that read “Vegas Strong” on one side with the names of the 58 people who died in the Vegas shooting Oct.1 on the other side.

"We are everything when we are together," Homme said to the crowd at Cal Jam.

The year’s Cal Jam was originally intended to be an album release party for the Foo Fighters’ latest album, Concrete and Gold. The festival evolved into something larger when frontman Dave Grohl was inspired by the original Cal Jams from the 1970s. These festivals saw massive success with headliners like Black Sabbath and Deep Purple, to then be lost to the annals of history until now.

Gallagher and the Foos both have new albums out. Gallagher’s album As You Were was just released on Oct.6 and Foo’s Concrete and Gold released September 15.