Tom Morello is an American musician, singer, songwriter, actor, and political activist. He is best known for his tenure with the rock band Rage Against the Machine and then with Audioslave. Morello was also a touring musician with Bruce Springsteen and the E Street Band. He is best known for his unique and creative guitar playing style, which incorporates feedback noise, unconventional picking, and tapping, as well as heavy use of guitar effects. He was ranked number 40 in Rolling Stone magazine’s list of the “100 Greatest Guitarists of All Time”.