It's been 21 years since anti-establishment rock group Rage Against The Machine released their hard-hitting GRAMMY-nominated third studio album, The Battle Of Los Angeles, but its messages are still so pertinent today. 

In the latest episode of GRAMMY.com's For The Record video series below, learn more about the GRAMMY-winning Los Angeles rock heavy-weights and their life-long activism.

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With powerful tracks like "Killing In The Name," "Testify" and "Renegades Of Funk," to name a few, Tom Morello, Zack de la Rocha, Tim Commerford and Brad Wilk call out injustice and continue pushing the culture forward.

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