Thomas Baptist Morello is an American guitarist, singer, songwriter, and political activist. He is best known for his tenure with the rock bands Rage Against the Machine and Audioslave. Between 2016 and 2019, Morello was a member of the supergroup Prophets of Rage. Morello was also a touring musician with Bruce Springsteen and the E Street Band. Under the moniker the Nightwatchman, Morello released his solo work. Together with Boots Riley, he formed Street Sweeper Social Club. Morello co-founded Axis of Justice, which airs a monthly program on Pacifica Radio station KPFK in Los Angeles.

Rage Against the Machine was an American rock band from Los Angeles, California. Formed in 1991, the group consisted of vocalist Zack de la Rocha, bassist and backing vocalist Tim Commerford, guitarist Tom Morello, and drummer Brad Wilk. The band was known for melding heavy metal and rap music with punk rock and funk influences, as well as their left-wing views. As of 2010, they have sold over 16 million records worldwide. The band was inducted into the Rock and Roll Hall of Fame in 2023.