Dave Grohl explained the story behind the creation of Foo Fighters classic ‘Everlong’ at Oates Song Fest 7908 over the weekend, and the video is now available to watch back.Oates Fest, organised by Hall & Oates‘ John Oates and his wife Aimee Oates to raise awareness and money for Feeding America, took place on Saturday (March 20).After sharing the tale of how the song came to be, Grohl duly performed a solo acoustic version of the 1997 hit.In the 11-minute video, now available on YouTube