Question: When does the Zack de la Rocha's friend born who is an American musician, best known as the bassist?

full_context: Document 1: Tool (band): Tool is an American rock band from Los Angeles, California. Formed in 1990, the group's line-up includes drummer Danny Carey, guitarist Adam Jones, and vocalist Maynard James Keenan. Justin Chancellor has been the band's bassist since 1995, replacing their original bassist Paul D'Amour. Tool has won three Grammy Awards, performed worldwide tours, and produced albums topping the charts in several countries.
Document 2: Tim Commerford: Timothy Robert Commerford (born February 26, 1968) is an American musician, best known as the bassist and backing vocalist for the American rap metal band Rage Against the Machine (1991–2000; 2007–2011), supergroups Audioslave (2001–2007) and Prophets of Rage (2016–present). Since 2013 and 2015, he has also been the lead singer and bassist of the bands Future User and WAKRAT, respectively.
Document 3: Adam Jones (musician): Adam Thomas Jones (born January 15, 1965) is a three-time Grammy Award-winning American musician and visual artist, best known for his position as the guitarist for Tool. Jones has been rated the 75th Greatest Guitarist of all time by the "Rolling Stone" and placed ninth in "Guitar World's" Top 100 Greatest metal Guitarists. Jones is also the director of the majority of Tool's music videos.
Document 4: Tim Sult: Tim Sult is the guitarist for hard rock band Clutch. He is also the guitarist for an instrumental side project, The Bakerton Group, and an occasional member of the reggae rock / stoner rock band Lionize, as well as recently formed band Deep Swell. Sult has remained the guitarist for Clutch since the group started in 1990.
Document 5: Audioslave: Audioslave was an American rock supergroup formed in Los Angeles in 2001. The four-piece band consisted of Soundgarden lead singer/rhythm guitarist Chris Cornell and Rage Against the Machine members Tom Morello (lead guitar), Tim Commerford (bass/backing vocals), and Brad Wilk (drums). Critics first described Audioslave as a combination of Soundgarden and Rage Against the Machine, but by the band's second album, "Out of Exile", it was noted that they had established a separate identity. Audioslave's sound was created by blending 1970s hard rock with 1990s alternative rock. Moreover, Morello incorporated his well-known, unconventional guitar solos into the mix. As with Rage Against the Machine, the band prided themselves on the fact that all sounds on their albums were produced using only guitar, bass, drums, and vocals.
Document 6: Rage Against the Machine: Rage Against the Machine is an American heavy metal band from Los Angeles, California. Formed in 1991, the group consists of rapper and vocalist Zack de la Rocha, bassist and backing vocalist Tim Commerford, guitarist Tom Morello, and drummer Brad Wilk. They draw inspiration from early heavy metal instrumentation, hip hop acts such as Afrika Bambaataa, Public Enemy, and the Beastie Boys, punk rock such as the Sex Pistols and Fugazi, and Dutch crossover band Urban Dance Squad. Rage Against the Machine is well known for the members' revolutionary political views, which are expressed in many of the band's songs. As of 2010, they had sold over 16 million records worldwide.
Document 7: Tom Morello: Thomas Baptiste "Tom" Morello (born May 30, 1964) is an American musician, singer, songwriter, actor and political activist. He is best known for his tenure with the band Rage Against the Machine and then with Audioslave. As of 2016, Morello is a member of the supergroup Prophets of Rage. Morello was also a touring musician with Bruce Springsteen and the E Street Band. He is also known for his acoustic solo act called The Nightwatchman, and Street Sweeper Social Club. Morello is also the co-founder (along with Serj Tankian) of the non-profit political activist organization Axis of Justice, which airs a monthly program on Pacifica Radio station KPFK (90.7 FM) in Los Angeles.
Document 8: Tim Timebomb: Tim Timebomb is a music project by Tim Armstrong, best known as a member of the punk rock band Rancid. Armstrong has recorded a large number of songs – a mixture of cover versions, including Rancid covers, and original songs, including some tracks from his musical film project "RocknNRoll Theater" – with a variety of supporting musicians.
Document 9: Zack de la Rocha: Zacharias Manuel 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 1991–2000 and 2007–2011. 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.
Document 10: Prophets of Rage: Prophets of Rage is an American rap rock supergroup. Formed in 2016, the group consists of three members of Rage Against the Machine and Audioslave (bassist and backing vocalist Tim Commerford, guitarist Tom Morello, and drummer Brad Wilk), two members of Public Enemy (DJ Lord and rapper Chuck D), and rapper B-Real of Cypress Hill.
Document 11: Josh Homme discography: Josh Homme is an American rock musician, who has released 18 studio albums and has collaborated with 26 different artists. He started playing guitar in the 1980s and formed a band with Palm Desert, California school friends John Garcia and Brant Bjork, initially under the name Katzenjammer, then Sons of Kyuss, and later shortened to simply Kyuss. The band released an extended play (EP), "Sons of Kyuss" (1990), when Homme was 16, before going on to record four critically acclaimed studio albums and a greatest hits release, without breaking through to mainstream success. After the break-up of the band in 1995, Homme considered abandoning his music career, but was persuaded by vocalist Mark Lanegan to join the Screaming Trees on tour as second guitarist.
Document 12: Tim Armstrong: Timothy Ross “Tim” Armstrong (born on November 25, 1965) is an American musician, singer, songwriter, producer, and actor. He is best known as the singer/guitarist for the punk rock band Rancid and hip hop/punk rock supergroup the Transplants. Prior to forming Rancid, Armstrong was in the influential ska punk band Operation Ivy. In 1997, along with Brett Gurewitz of the band Bad Religion and owner of Epitaph Records, Armstrong founded Hellcat Records. In 2012, through his website, Armstrong started releasing music that influenced him, along with stripped-down cover songs of his own work under the name Tim Timebomb. He has released at least one song per week since late 2012. Armstrong is also a songwriter for other artists. Armstrong won a Grammy Award for his work with Jimmy Cliff and Pink and he has also worked with Joe Walsh.
Document 13: Tom Morello discography: This is the discography of Tom Morello, an American Grammy-award winning rock guitarist most known for his work with the bands Rage Against the Machine, Audioslave, Street Sweeper Social Club and as his folk alter-ego The Nightwatchman. Morello started playing guitar in the mid 80's in the band Electric Sheep together with future Tool guitarist Adam Jones on bass. After graduating "" from Harvard University in 1986 with a BA in political science, he moved to Los Angeles, where he briefly worked as an aide to Senator Alan Cranston. Later Adam Jones moved to L.A. as well; Morello introduced Jones and Maynard James Keenan to Danny Carey, who would come to form the band Tool. In the late 80's Morello was recruited to replace original guitar player Mike Livingston in the rock band Lock Up, in 1986 the band released its only album Something Bitchin' This Way Comes. In 1991 Morello left Lock Up to start a new band, after being impressed by Zack de la Rocha freestyle rapping he invited him to join his band, he also drafted Brad Wilk who had previously auditioned as a drummer for Lock Up. After Zack convinced his childhood friend Tim Commerford to join as the band's bass player the line up was complete.
Document 14: Rage Against the Machine discography: The discography of Rage Against the Machine, an American rap metal band, consists of four studio albums, two live albums, one compilation album, one demo album, 17 singles, four video albums and 15 music videos. Formed in Los Angeles, California in 1991 by vocalist Zack de la Rocha, guitarist Tom Morello, bassist Tim Commerford and drummer Brad Wilk, the band signed to Epic Records and released its self-titled debut album in 1992. The album reached number 45 on the United States "Billboard" 200 and was certified three times platinum by the Recording Industry Association of America (RIAA) for sales in excess of three million units. "Rage Against the Machine" singles "Killing in the Name", "Bullet in the Head" and "Bombtrack" charted in the United Kingdom and several other regions.
Document 15: Tim McIlrath: Timothy James "Tim" McIlrath (born November 3, 1978) is an American punk rock musician. He is the lead singer, rhythm guitarist, songwriter and co-founder of the American punk rock band Rise Against. McIlrath is known to support animal rights and actively promotes PETA with his band. He is also straight edge.
ground_truth: February 26, 1968