The Nightwatchman is the alter ego of Tom Morello, guitarist with Rage Against the Machine and Audioslave. While Morello is best known for his bracing mix of hard rock fury with hip-hop accents, as the Nightwatchman he performs as a solo acoustic singer and songwriter, playing self-penned songs that reflect his leftist political beliefs. Born in New York City in 1964 and raised in Libertyville, IL, by his mother (a longtime political activist), Morello taught himself to play guitar while he was a student at Harvard University, where he received a degree in political science. After graduating, Morello moved to Los Angeles and joined a hard rock band called Lock Up, which scored a deal with Geffen Records; however, Lock Up's sole album, released in 1989, sank without a trace and they soon broke up.

Morello had much better luck with his next project -- Rage Against the Machine, which fused hip-hop rhythms and fractured heavy metal guitar sounds alongside Zack de la Rocha's agitprop lyrics. RATM released their first album in 1992, and became one of the most influential bands of the 1990s, blazing the trail for the ap-metal movement and confirming that there was still room for firebrand politics in mainstream ock & roll. Rage Against the Machine split up suddenly in 2000 following the release of their album Renegades, and Morello and his bandmates Tim Commerford and Brad Wilk soldiered on as Audioslave with former Soundgarden vocalist Chris Cornell.