Please answer the following question: Information:  - Jeffrey James Logan, better known by his stage name Jel, is an American hip hop producer and rapper. He is co-founder of the record label Anticon. He has been a member of Presage, Themselves, Subtle, and 13 & God.  - Nine Inch Nails (abbreviated as NIN and stylized as NI) is an American industrial rock band founded in 1988 by Trent Reznor in Cleveland, Ohio. The band released two influential albums during the 1990s  "The Downward Spiral" (1994) and "The Fragile" (1999) and has record sales exceeding over 20 million copies worldwide, with 10 million sales certified in the United States alone.  - Southern California, often abbreviated as SoCal, is a geographic and cultural region that generally comprises California's 10 southernmost counties. The region is traditionally described as eight counties, based on demographics and economic ties: Imperial, Los Angeles, Orange, Riverside, San Bernardino, San Diego, Santa Barbara, and Ventura. The more extensive 10-county definition, which includes Kern and San Luis Obispo counties, is also used based on historical political divisions. Southern California is a major economic center for the state of California and the United States.  - Jean Grae (born Tsidi Ibrahim, November 26, 1976), formerly known as What? What?, is an American hip hop recording artist from Brooklyn, New York City. She rose to prominence in the underground hip hop scene in New York City and has since built an international fanbase.  - Saul Stacey Williams (born February 29, 1972) is an American rapper, singer-songwriter, musician, poet, writer, and actor. He is known for his blend of poetry and alternative hip hop, and for his lead roles in the 1998 film "Slam" and "Holler If Ya Hear Me", a Broadway musical featuring music by Tupac Shakur.  - Regan John Farquhar (born February 12, 1978), better known by his stage name Busdriver, is a rapper and producer from Los Angeles, California. He has collaborated with rappers such as Myka 9, Nocando, 2Mex and Ellay Khule. His primary producers have been Daedelus, Boom Bip, Daddy Kev, Loden, Paris Zax, Omid and Nobody. He has also worked with D-Styles on two albums.  - Underground hip hop is an umbrella term for hip hop music outside the general commercial canon. It is typically associated with independent artists, signed to independent labels or no label at all. Underground hip hop is often characterized by socially conscious, positive, or anti-commercial lyrics. However, there is no unifying or universal theme  AllMusic suggests that it "has no sonic signifiers". "The Underground" also refers to the community of musicians, fans and others that support non-commercial, or independent music. Music scenes with strong ties to underground hip hop include alternative hip hop and horrorcore. Many artists who are considered "underground" today were not always so, and may have previously broken the "Billboard" charts.  - The Visionaries is an underground hip hop crew from Los Angeles, California. The crew formed in 1995, and have since released four full-length albums on Up Above Records. The crew's six members have collectively released over twenty solo and side projects. They have collaborated and performed with many other artists, including Wu-Tang Clan, Nas, Common, Mos Def, Talib Kweli, Dilated Peoples, De La Soul, Blackalicious, Jean Grae, Psycho Realm, Jay Dee a.k.a. J Dilla, Jurassic 5 and Linkin Park.  - Kamal Humphrey De Iruretagoyena, better known by his stage name Radioinactive, is an indie hip hop artist from Los Angeles, California. He is a member of The Shape Shifters. He was a member of Log Cabin along with Eligh, Murs and Scarub. He has released a number of solo albums, as well as collaborating with artists such as Busdriver, Daedelus, and Antimc.  - De La Soul is an American hip hop trio formed in 1987 on Long Island, New York. The group is best known for their eclectic sampling, quirky lyrics, and their contributions to the evolution of the jazz rap and alternative hip hop subgenres. The members are Posdnuos, Dave and Maseo. The three formed the group in high school and caught the attention of producer Prince Paul with a demo tape of the song "Plug Tunin'". With its playful wordplay, innovative sampling, and witty skits, the band's debut album, "3 Feet High and Rising", has been called "a hip hop masterpiece."  - Alejandro Ocana , better known by his stage name 2Mex , is a rapper from Los Angeles , California . He is a member of The Visionaries and Of Mexican Descent . He has collaborated with underground hip hop artists such as Jel , Omid , Thavius Beck , Factor , Radioinactive and Isaiah `` Ikey '' Owens . He is a member of the Project Blowed crew , and he is affiliated with Shape Shifters .  - Eligh Nachowitz (born February 28, 1978), better known mononymously as Eligh, is a rapper and producer from Los Angeles, California. He is a member of the underground hip hop group Living Legends.  - Ableton Live is a software music sequencer and digital audio workstation for macOS and Windows. The latest major release of Live, Version 9, was released on March 5, 2013. In contrast to many other software sequencers, Live is designed to be an instrument for live performances as well as a tool for composing, recording, arranging, mixing and mastering. It is also used by DJs, as it offers a suite of controls for beatmatching, crossfading, and other effects used by turntablists, and was one of the first music applications to automatically beatmatch songs.  - Jurassic 5 is an American alternative hip hop group formed in 1993 by members of two previous groups (Rebels of Rhythm and Unity Committee): rappers Charles Stewart (Chali 2na), Dante Givens (Akil), Courtenay Henderson (Soup aka Fullee Love/ Zaakir), Marc Stuart (Marc 7); and disc jockeys Mark Potsic (DJ Nu-Mark) and Lucas Macfadden (Cut Chemist).  The six piece crew that was formed, came out of the Los Angeles venue Good Life. The group broke up in 2007, shortly after releasing their fourth LP "Feedback", citing "musical differences," but returned to the stage in 2013 and released a new track in 2014. The members have continued to release music, the most recent of which is Nu-Mark's 2014 EP with Pharcyde member Slimkid3 (released on Delicious Vinyl).  - AllMusic (previously known as All Music Guide or AMG) is an online music guide service website. It was launched in 1991 by All Media Guide which later became All Media Network.  - Hip hop is a subcultural art movement that was formed during the early 1970s primarily by African-American and Afro Puerto Rican youths residing in the South Bronx in New York City. Art historian Robert Farris Thompson describes the demographics of the youth that characterize the South Bronx in the early 1970s as "English-speaking blacks from Barbados" like Grandmaster Flash, "black Jamaicans" like DJ Kool Herc, "thousands of Nuyoricans", who introduced the rhythms from Salsa (music), as well as Afro conga and bonga drums, as well as many who emulated the sounds of Tito Puente and Willie Colón with existing styles of musical styles from jazz to funk associated with African Americans prior to the 1970s. Hip hop music became popular outside of the African-American community in the late 1980s. After the rise of new media platforms and Web 2.0 technology of the Internet, fans would primarily consume the musical genre through social networking sites (SNS) beginning with Myspace evolving to notable mobile apps like YouTube, Worldstarhiphop, SoundCloud, and Spotify.  - The Psycho Realm is an American hip hop group started in 1989 by brothers Sick Jacken (Jack Gonzalez) and Big Duke (Gustavo Gonzalez) from the Downtown, Pico-Union area of Los Angeles. The first recorded Psycho Realm song, "Scandalous", was released on the soundtrack of the film Mi Vida Loca in 1994. That same year B-Real of the rap group Cypress Hill saw Psycho Realm performing at Olvera Street for an End Barrio Warfare concert. Their performance inspired B-Real to the point that he wanted to join the group. With this time period being the height of Cypress Hills career anything Cypress Hill related would get major publicity.  - Thavius Beck (born 1979) is an electronic musician, producer and rapper based in Los Angeles, California. He was a member of the Global Phlowtations collective. He has also put out solo releases under the moniker Adlib. He is a certified trainer of Ableton Live. He has collaborated with a number of artists such as Saul Williams, Nine Inch Nails, Nas, Subtitle, K-the-I???, Busdriver and Nocando.  - Dilated Peoples is an American hip hop group from Los Angeles, California. They achieved notability in the underground hip hop community, although they have had little mainstream success in the US, with the exception of the song "This Way", a 2004 collaboration with Kanye West, Xzibit, and John Legend appearing in the music video. They reached the Top 40 of the UK Singles Chart with two tracks, "This Way" and "Worst Comes to Worst." Their members include DJ Babu (producer/DJ), Evidence (MC/producer) and Rakaa (MC). The group also received a publicity spike after their songs were featured in the 2003 video games "" and "NBA Street Vol. 2".  - Nasir bin Olu Dara Jones (born September 14, 1973), better known by his stage name Nas , is an American hip hop recording artist, record producer, actor and entrepreneur. The son of jazz musician Olu Dara, Nas has released eight consecutive platinum and multi-platinum albums and has sold over 25 million records worldwide. He is also an entrepreneur through his own record label; he serves as associate publisher of "Mass Appeal" magazine and is the owner of a Fila sneaker store. He is currently signed to Mass Appeal Records.  - Anticon (often styled as anticon.) is an independent record label based in Los Angeles, California. It was founded in 1998 by seven musicians and manager Baillie Parker. It is now collectively owned among six musicians, co-founder Baillie Parker, and manager Shaun Koplow. The original musicians signed to Anticon were once referred to as the Anticon collective.  - Yasiin Bey (born Dante Terrell Smith; December 11, 1973), best known by his stage name Mos Def, is an American hip hop recording artist, actor and activist from Brooklyn, New York City, New York. Best known for his music, Mos Def embarked on his hip hop career in 1994, alongside his siblings in the short-lived rap group Urban Thermo Dynamics (UTD), after which he appeared on albums by Da Bush Babees and De La Soul. He subsequently formed the duo Black Star, alongside fellow Brooklyn-based rapper Talib Kweli, and released their eponymous debut album in 1998. He was featured on the roster of Rawkus Records and in 1999 released his solo debut, "Black on Both Sides". His debut was followed by "The New Danger" (2004), "True Magic" (2006) and "The Ecstatic" (2009). The editors at About.com listed him as the 14th greatest emcee of all time on their "50 greatest MC's of our time" list.  - Linkin Park is an American rock band from Agoura Hills, California. Formed in 1996, the band rose to international fame with their debut album "Hybrid Theory" (2000), which was certified diamond by the RIAA in 2005 and multi-platinum in several other countries. Their following studio album "Meteora" continued the band's success, topping the "Billboard" 200 album chart in 2003, and was followed by extensive touring and charity work around the world. In 2003, MTV2 named Linkin Park the sixth-greatest band of the music video era and the third-best of the new millennium. "Billboard" ranked Linkin Park No. 19 on the Best Artists of the Decade chart. In 2012, the band was voted as the greatest artist of the 2000s in a Bracket Madness poll on VH1. In 2014, the band was declared as the "Biggest Rock Band in the World Right Now" by "Kerrang!".  - Project Blowed is an open-mic workshop, its affiliated underground hip hop crew and record label based in Los Angeles, California. This hip hop function started in 1994 and features many music groups, emcees, and dancers local to the Southern California area.    Given the paragraphs above, decide what entity has the relation 'date of birth' with '1973'.
A:
2mex