who is the lead singer of rage against the machine
Zacharias Manuel Zack de la Rocha (born January 12, 1970) is an American musician, poet, rapper, and activist. He is best known as the vocalist and lyricist of rap metal band Rage Against the Machine from 1991â2000 and 2007â2011. He left Rage Against the Machine in October 2000 and embarked on a solo career. With former Mars Volta drummer Jon Theodore, de la Rocha also co-founded One Day as a Lion in 2008.