 As Grohl was moved by this action, he decided to "write something just to dedicate to him that night because he definitely seemed like a hero", and later promised to include the instrumental on the album.The album version features Kaki King, whom Grohl invited to record the song as she was visiting Studio 606.Grohl later said that "I showed it to her once, and she shredded 10 times better than I ever played it".