Question: Who writes poetry such as Glaring Through Oblivion as well as leading the heavy metal band System Of A Down?

full_context: Document 1: Empty Walls: "Empty Walls" is a song by musician Serj Tankian. The song was released as the first official single and first track off of Tankian's debut solo album "Elect the Dead". The song has been described as a "traditionally pummeling rocker".
Document 2: Elect the Dead: Elect the Dead is the debut album by rock musician Serj Tankian, lead singer and founding member of Armenian-American metal quartet System of a Down. It was released on October 22, 2007. Alongside Tankian appears Armenian-American coloratura Ani Maldjian, drummers John Dolmayan from System of a Down and B. Brain Mantia of Primus and Guns N' Roses, Dan Monti on guitars, as well as a string section featuring Antonio Pontarelli.
Document 3: Serart: Serart is a collaboration album by two international Armenian musicians: Serj Tankian ("Ser-"), lead singer of System of a Down, and folk multi-instrumentalist Arto Tunçboyacıyan ("-art"). It was the first release on Tankian's own label, Serjical Strike Records.
Document 4: Toxicity (album): Toxicity is the second studio album by the Armenian-American heavy metal band System of a Down, released on September 4, 2001 by Columbia Records. Categorized as alternative metal, thrash metal, hard rock, art metal, heavy metal, and nu metal, "Toxicity" features elements of multiple genres of music: folk, progressive metal, progressive rock, jazz, Middle Eastern music, and Greek music. Many of the album's lyrics are political, being about topics such as the overpopulation of prisons, the CIA, and Charles Manson's beliefs about the environment. Examples of non-political themes in "Toxicity"'s lyrics are group sex, drug addiction, and groupies.
Document 5: Elect the Dead Symphony: Elect the Dead Symphony is the first live album by System of a Down frontman Serj Tankian. It is available in CD, CD/DVD, LP, and Digital Download formats. It features the Auckland Philharmonia Orchestra at the Auckland Town Hall in Auckland, New Zealand. Orchestral arrangements were by John Psathas. Material for the performance is from Tankian's solo debut, "Elect the Dead" with some additional previously unreleased songs.
Document 6: System of a Down: System of a Down, sometimes shortened to System and abbreviated as SOAD, is an Armenian-American heavy metal band from Glendale, California, formed in 1994. The band currently consists of Serj Tankian (lead vocals, keyboards), Daron Malakian (vocals, guitar), Shavo Odadjian (bass, backing vocals) and John Dolmayan (drums).
Document 7: Shavo Odadjian: Shavarsh "Shavo" Odadjian (Armenian: Շավարշ "Շավո" Օդաջյան ; born April 22, 1974) is an Armenian American songwriter, multi-instrumentalist, music video director/editor, music producer, and artist/painter. He is best known as the bassist, backing vocalist and occasional songwriter of the Grammy Award-winning metal band System of a Down. During the band's hiatus from 2006 to 2010, Odadjian collaborated with Wu-Tang Clan founder RZA on a project called AcHoZeN, which contributed a number of songs to the motion picture "Babylon A.D." A compilation album was released in 2015. Odadjian is also credited with the musical scoring of the film, alongside The Rza and Hans Zimmer. He originally used Gibson Thunderbird basses, a Fender Jazz Bass, an Ibanez BTB bass guitar, and a Music Man StingRay, but has since moved on to Warwick basses.
Document 8: Sky Is Over: "Sky Is Over" is a song by Serj Tankian. The song was released as the second single from Tankian's debut solo album "Elect the Dead". The song has charted on both the Modern Rock Tracks and the Mainstream Rock Tracks in the US.
Document 9: Cool Gardens: Cool Gardens is a poetry book by the lead singer of the band System of a Down, Serj Tankian. It was published by MTV Books and was released on October 1, 2002. It is a collection of seven to eight years of Tankian's reflections on life, and features artwork by fellow Angeleno, Sako Shahinian. The poetry, like the songs of System of a Down, consists of a reflection of societies and people's wrongs. It portrays what people do to themselves and the control others try to hold over them.
Document 10: Glaring Through Oblivion: Glaring Through Oblivion is a 2011 book of poetry written by Serj Tankian, the Armenian-American lead singer of the band System of a Down. It is his second book of poetry, after "Cool Gardens" (2002). "Glaring Through Oblivion" was published by HarperCollins Publishers and printed in China, and released on March 22, 2011.
Document 11: John Dolmayan: John Hovig Dolmayan (Armenian: Ջոն Դոլմայան , born July 15, 1973) is a Lebanese-born Armenian–American songwriter and drummer. He is best known as the drummer of System of a Down. Dolmayan is also the drummer for the band Indicator and former drummer for Scars on Broadway. His energetic live performances with System Of A Down over the years, have garnered him critical acclaim. Loudwire listed him as one of the "Top 50 Hard Rock + Metal Drummers Of All Time" , with Dolmayan being ranked at #22.
Document 12: System of a Down discography: System of a Down is an American rock band formed by musicians of Armenian origin: vocalist Serj Tankian, guitarist Daron Malakian, bassist Shavo Odadjian, and drummer John Dolmayan in the mid-1990s. They have released five studio albums, 16 singles, and 11 music videos. By the end of 1997, the group had signed to American Recordings, then distributed as Columbia Records. The following year, they released their eponymous debut album, which peaked at #124 on the United States' "Billboard" 200 and #103 on the United Kingdom's UK Albums Chart; it was certified platinum two years later by the Recording Industry Association of America (RIAA), and gold by Canadian Recording Industry Association (CRIA). Their eponymous debut album produced a single for the song "Sugar", which reached the top 30 on the "Billboard" mainstream rock songs and alternative songs charts. Their follow-up album, "Toxicity" (2001), topped the US and Canadian charts, and also reached the top 10 in Australia, Finland, and New Zealand. The album was certified triple platinum in its home country, and triple platinum in Australia by the Australian Recording Industry Association (ARIA), as well as double platinum by CRIA in Canada. "Toxicity" produced singles for the title track, "Chop Suey!", and "Aerials". The last of these peaked at number one on the "Billboard" Mainstream Rock Songs and Alternative Songs charts.
Document 13: Daron Malakian: Daron Vartan Malakian (Armenian: Տարօն/Տարոն Վարդան Մալաքեան, born July 18, 1975) is an Armenian–American singer-songwriter, multi-instrumentalist, and record producer. He is best known as the guitarist, songwriter and second vocalist of the rock band System of a Down and as the lead vocalist, lead guitarist and songwriter of the band Scars on Broadway. Like the rest of the Hollywood-based band System of a Down, he is of Armenian ancestry, but he is the only member to have been born in the United States. Daron Malakian is known for his distinctive playing and is ranked 40th in Loudwire's list of "Top 50 Hard Rock + Metal Guitarists Of All Time" and #11 in MusicRadar's poll, "The 20 Greatest Metal Guitarists Ever". He is placed 30th in Guitar World's List of The 100 Greatest Heavy Metal Guitarists of All Time.
Document 14: Sako Shahinian: Sako Shahinian (Armenian: Սաքո Շահինյան ; born 1980) is an American-Armenian illustrator whose artwork has been featured in System of a Down projects.
Document 15: Serj Tankian: Serj Tankian (Western Armenian: Սերժ Թանկեան , ] ; born August 21, 1967) is a Lebanese-born Armenian-American singer-songwriter, composer, multi-instrumentalist, record producer, poet, and political activist with Armenian descent. He is best known as the lead vocalist, songwriter, keyboardist, and occasional live rhythm guitarist of the metal band System of a Down, formed in 1994.
ground_truth: Serj Tankian