"Walk" by Foo Fighters is a song performed in the original key of E major. It was released on their seventh studio album, "Wasting Light," in 2011. The song was written by the band's lead vocalist and guitarist, Dave Grohl. Interestingly, "Walk" won the Grammy Award for Best Rock Performance in 2012. The composition features a catchy, upbeat melody that seamlessly blends elements of alternative rock and post-grunge, accompanied by powerful instrumental sections and heartfelt lyrics.