Question: Timothy Robert Commerford (born February 26, 1968) is an American musician, best known as the bassist, and backing vocalist for the various American rap metal bands, including which American rap rock supergroup, from 2016–present?
Context: "Bombtrack" is a song by American rap metal band Rage Against the Machine that opens their self-titled debut album.  Like most of Rage Against the Machine's songs, the song's lyrics discuss social inequality, proclaiming that "landlords and power whores" were going to "burn".  The riffs were composed by Rage Against the Machine bassist Tim Commerford.  The song is one of three on the album in F# along with "Know Your Enemy" and "Fistful of Steel".  Impressed by their song, Rage Against the Machine named it "Bombtrack" in reference to hip hop terminology where the word 'bomb' means 'the greatest', making the song title literally mean 'the greatest track'. The following is a list of rap rock bands "with articles" on Wikipedia.  The list includes bands that have been described as a form of rap rock, including the subgenres rapcore and rap metal, by professional journalists at some stage in their career. "Down Rodeo" was a promotional single by American rap metal band Rage Against the Machine sent out to various American radio stations.  The song was intended as the third single from their "Evil Empire" album, although a domestic single was never released. Stuck Mojo is an American rap metal band from Atlanta, Georgia.  Formed in 1989 by guitarist Rich Ward, Stuck Mojo is considered to be one of the pioneers of rap metal.  They have toured alongside bands such as Machine Head and Slapshot.  Stuck Mojo's most successful album, "Rising", peaked at No. 48 on the "Billboard" Top Heatseekers chart.  The band disbanded in 2000, reforming five years later.  In 2006, their original vocalist, Bonz, was replaced by rapper Lord Nelson.  Stuck Mojo released, via Pledge Music, their seventh studio album, "Here Come The Infidels".  In the press release Stuck Mojo also announce the addition of two new members, Robby J. Fonts (Vocals) and Len Sonnier (Bassist).  To date, they have released seven studio albums and one live album. 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. 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. Angels & Airwaves is an American rock supergroup, featuring Tom DeLonge (lead vocalist, keyboardist, bassist and guitarist) and Ilan Rubin (drummer, keyboardist, guitarist, bassist and backing vocalist).  Former members are Ryan Sinn (bassist and backing vocalist), Adam "Atom" Willard (drummer), Matt Wachter (bassist, keyboardist and backing vocalist).  The status of David Kennedy (guitarist and keyboardist) and Eddie Breckenridge (bassist) is currently unknown. Live at the Grand Olympic Auditorium is the second live album by the American rap metal band Rage Against the Machine, released on November 25, 2003 by Epic Records.  It is a recording of two shows Rage played at the Grand Olympic Auditorium in their hometown of Los Angeles on September 12 and 13, 2000.  The album was originally planned to be released in November 2000, but was delayed due to the break-up of the band shortly after the September concerts.  It was then slated for release a year later, but was again delayed due to the formation of Audioslave by the remaining three members of Rage (Tom Morello, Tim Commerford and Brad Wilk) with vocalist Chris Cornell.  The album was released amid mixed reviews in November 2003, mainly due to poor mixing rather than musical performance, where on the other hand the DVD version was praised by fans and critics alike. 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. A Cry Farewell is an American rap metal/nu metal band formed in Cincinnati, Ohio in 2009.  The band's musical style evolved from a hard rock sound to more of a rap metal sound by the following year.  Following the release of "The Offering" and hit single "Nothing Left" in 2010, the band was featured by The New Review as one of the fastest rising hard rock acts in the nation.  Since their formation, they've completed a national tour with Digital Summer and Universal/Republic records artist 10 Years, released a 5 track EP entitled "The Offering", and have had 3 of their songs ("Nothing Left", "Open My Eyes" and "The Road") appear on numerous national radio stations, including Sirius XM Radio.  "The Offering" was produced by grammy nominated producer Travis Wyrick (P.O.D., 10 Years, Disciple), who also produced their brand new full length album "The War Goes On" which came out on December 20, 2011.
Answer: Prophets of Rage