After a successful first edition, Foo Fighters will once again bring Cal Jam to life with a 2018 event slated for October 5-6 in San Bernardino, CA. The band decided to revive the old school rock festival to celebrate the release of their new album Concrete and Gold, bringing with them friends and past collaborators like Queens of the Stone Age, Royal Blood, Cage the Elephant, Liam Gallagher,…