Rage Against the Machine fused heavy metal, punk and hip hop into an explosive sound driven by political anger and social criticism. Formed in Los Angeles, the band became known for Tom Morello’s inventive guitar work, Zack de la Rocha’s intense vocals and lyrics confronting inequality, racism and corporate power. Their music carried the energy of protest while remaining highly influential in alternative rock during the 1990s. Albums such as Evil Empire and The Battle of Los Angeles helped define politically charged modern rock music.