which other songs has he sung?
"Centre of the Storm",  "March of Death"
Zack de la Rocha
"Centre of the Storm", from the Roni Size/Reprazent album "In The Mode", while in 2002, he appeared in a minor role in the first part of the Blackalicious song "Release" on the album "Blazing Arrow". A new collaboration between de la Rocha and DJ Shadow, the song "March of Death" was released for free online in 2003 in protest against the imminent invasion of Iraq. As part of the collaboration de la Rocha released a statement which included the following:

The 2004 soundtrack "Songs and Artists that Inspired Fahrenheit 9/11" included one of the collaborations with Reznor, "We Want It All". 
who is lead singer of rage against the machine Zack de la Rocha is it an album? No, it  is an American rock band when was it formed? 1991 can you name a few albums they produced? "Evil Empire", "The Battle of Los Angeles" when did the former get released? April 16, 1996 how did they promote it? The  band sent a free 7″ record to everyone who signed up for the fan club promoted in the liner notes of their debut. how was it received? Evil Empire" debuted at number 1 on the US "Billboard" 200 did it win any award? The  song "Tire Me" won a 1996 Grammy Award for Best Metal Performance; The album was certified 3x platinum by the Recording Industry Association of America on May 24, 2000. what style of music did the band follow? Rap metal, rap rock, funk metal, alternative metal, hard rock, nu metal, heavy metal, alternative rock, punk, and hip hop. did they get influenced by anyone? It  has been influenced by a variety of music, including acts like Led Zeppelin, Bob Dylan, U2, the Red Hot Chili Peppers, Iron Maiden, Kiss, Ozzy Osbourne, The Police, Devo, Living Colour what are their views on politics? They  are well known for their leftist anti-authoritarian and revolutionary political views, and almost all of the band's songs focus on these views. are they into any social activities? The band sees its music as a vehicle for social activism; De la Rocha explained, "I'm interested in spreading those ideas through art, because music has the power to cross borders, to break military sieges and to establish real dialogue." were they nominated for any award? Rage Against the Machine has won two Grammy Awards with six nominations altogether. The band has also received three nominations from the MTV Video Music Awards, but has yet to win an award. when was the singer born? January 12, 1970 where? Long Beach, California which was his debut song? UNANSWERABLE when did he join the band? UNANSWERABLE
wiki:19472142
Zack de la Rocha [SEP] Solo career
This album also contained "No One Left", the debut recording by former Rage Against the Machine guitarist Tom Morello as The Nightwatchman. On October 7, 2005, de la Rocha returned to the stage with new material, performing with Son Jarocho band Son de Madera. He later spoke as MC and again performed with Son de Madera at the November 22 Concert at the Farm, a benefit concert for the South Central Farmers. He sang and played the jarana with the band, and performed his own new original material, including the song "Sea of Dead Hands". On September 8, 2016, it was reported that de la Rocha's first solo album was complete and would be released in early 2017.