Known as much for their politics as for their music, Rage Against the Machine nonetheless helped lay the groundwork for the aggression-fueled rock-rap genre. Frontman Zack de la Rocha brought the rap with his aggressive, politically charged rhymes. Tom Morello produced all manner of punk, metal, and funk sounds with his guitar creating a hard-hitting, bombastic sound to match De la Rocha’s rhymes. Read more: http://www.rollingstone.com/music/artists/rage-against-the-machine/biography#ixzz35JHz6tOE