Koichi Sugiyama (すぎやま こういち , Sugiyama Kōichi , born April 11, 1931) is a Japanese composer, conductor, and orchestrator.
 He is also a council member of the Japanese Society for Rights of Authors, Composers, and Publishers (JASRAC), board member of the Japan Institute for National Fundamentals, and honorary chairman of the Japanese Backgammon Society.
 Sugiyama is best known for composing the music for the "Dragon Quest" video game series, which is published by Square Enix, along with several other Japanese anime, film, and television shows.
 A classically trained conductor, Sugiyama is considered a major inspiration for other Japanese game music composers, such as Nobuo Uematsu, and was once referred to as the "big boss of game music".
Garry Schyman (born 1954) is an American film, television, and video game music composer.
 He graduated from the University of Southern California with a degree in music composition in 1978, and began work in the television industry, writing music for such television series as "Magnum, P.I." and "The A-Team".
 By 1986, he was composing for movies such as "Judgement" and "Hit List".
 At the request of a friend in 1993, he composed the music for the video game "Voyeur", but after creating the music for two more games he left the industry, citing the low budgets and poor quality of video game music at the time.
 He continued to compose for film and television, only to return to video games for 2005's "Destroy All Humans!
".
 Finding that in his absence the quality and perceived importance of video game music had risen substantially, he has since composed for several games, writing the scores to "BioShock" and "Dante's Inferno" among others.
 He still composes for film however, his latest being "Brush with Danger" directed by young "Indonesian" director "Livi Zheng".
 He has won numerous awards for his video game scores, including several "soundtrack of the year" awards.
 Throughout his career, he has worked on over 25 television shows, 10 films, and 13 video games.
Voices of the Lifestream is an unofficial tribute album released by OverClocked ReMix in honor of Nobuo Uematsu's score for the popular video game, "Final Fantasy VII".
 The album was released on September 14, 2007, to coincide with the 10th anniversary of "Final Fantasy VII".
 Since its release, the collection has received praise from numerous video game sites and professional composers.
Symphonic Odysseys: Tribute to Nobuo Uematsu was a symphonic tribute concert held in Cologne, Germany on July 9, 2011 at the Cologne Philharmonic Hall.
 The concert exclusively paid homage to the work of Japanese composer Nobuo Uematsu and featured music selected from his works as a video game music composer.
 Among the games featured were "Lost Odyssey", "Blue Dragon", "Last Story", "King's Knight", "Chrono Trigger", "Final Fantasy Legend", and selected works from the "Final Fantasy" series.
 The concert was produced and directed by Thomas Böcker, with arrangements provided by Finnish composer and musician Jonne Valtonen, along with Roger Wanamo, Masashi Hamauzu, and Jani Laaksonen.
 The concert was performed by the WDR Rundfunkorchester Köln and the WDR Radio Choir Cologne under conduction from Arnie Roth, with guest performers Benyamin Nuss and Juraj Čižmarovič joining the orchestra.
 A video recording of "Symphonic Odysseys" was streamed live online.
Michiru Ōshima (大島ミチル , Ōshima Michiru , born March 16, 1961) is a Japanese composer who has worked on several video games, films, and televisions.
 Her works include composition for the video games "" for Super NES, "Ico" for PlayStation 2, "Legend of Legaia" for the PlayStation and its PlayStation 2 sequel "", "Arc the Lad III", and an orchestral arrangement of a "Zelda" medley for the Wii and Nintendo GameCube game "".
 In addition to video game music, she has composed music for "Godzilla vs. Megaguirus" and "Godzilla Against Mechagodzilla" movies and scores for numerous anime television series, including "Fullmetal Alchemist" (and the motion picture ""), "Nabari no Ou", "Queen Emeraldas", "", "Arc the Lad", and "Weathering Continent".
 She was also the composer for a Japanese stage musical adaptation of the classic Hollywood film "Roman Holiday".
 Her latest work includes the composition of several music tracks for the highly acclaimed Chinese espionage thriller film: The Message 《风声》in 2009.
Nobuo Uematsu (植松 伸夫 , Uematsu Nobuo , born March 21, 1959) is a Japanese video game composer, best known for scoring most of the titles in the "Final Fantasy" series by Square Enix.
 He is considered to be one of the most well known composers in the video game industry.
 Sometimes referred to as the "Beethoven of video games music", he appeared five times in the top 20 of the annual Classic FM Hall of Fame.
Takeaki Kunimoto (国本剛章 , "Kunimoto Takeaki" ) is a former composer of video game music.
 He used to work for the Japanese video game developer Hudson Soft.
 With them he would go on to compose several of their most famous early hits, including "Star Soldier", "Milon's Secret Castle", "Mickey Mousecapade" and "Robowarrior".
 In recent years, he has dedicated his time to performing video game music at live houses in Shibuya, as well as releasing several albums containing his video game music material.
Symphonic Legends – Music from Nintendo was a symphonic tribute concert held in Cologne, Germany on 23 September 2010 by the WDR Rundfunkorchester Köln, featuring video game music from Japanese game developer Nintendo.
 The concert featured symphonic arrangements found in some of Nintendo's biggest game series, such as "Legend of Zelda", "Super Mario Bros.", "Pikmin", "F-Zero" and "Donkey Kong".
 The concert was produced and directed by Thomas Böcker, with arrangements provided by Finnish composers and musicians Jonne Valtonen and Roger Wanamo, as well as Japanese game music composers Masashi Hamauzu, Hayato Matsuo, Shiro Hamaguchi and German film composer Torsten Rasch.
OverClocked ReMix, also known as OC ReMix and OCR, is a non-commercial organization dedicated to preserving and paying tribute to video game music through arranging and re-interpreting the songs, both with new technology and software and by various traditional means.
 The primary focus of OC ReMix is its website, "ocremix.org", which freely hosts over 3,000 curated fan-made video game music arrangements, information on game music and composers, and resources for aspiring artists.
 In addition to the individual works, called "ReMixes", the site hosts over 70 albums of music, including both albums of arrangements centered on a particular video game, series, or theme, and albums of original compositions for video games.
 The OC ReMix community created the "Super Street Fighter II Turbo HD Remix" soundtrack for Capcom in 2008, and began publishing commercially licensed arrangement albums in 2013.
Yasuharu Takanashi (高梨 康治 , Takanashi Yasuharu , born April 13, 1963) is a prolific Japanese composer and arranger for anime and video game series.
 His anime composition credits include "Beyblade G-Revolution," "Hell Girl", "Ikki Tousen", "Naruto Shippuden", "Fairy Tail", "Shiki", and "Sailor Moon Crystal".
 He also composed on four "Pretty Cure" series: "Fresh Pretty Cure!
", "HeartCatch PreCure!
", "Suite PreCure", and "Smile PreCure!
", as well as their related films, some of which were with composer Naoki Sato.
 Game music compositions include "", "" and "J-Stars Victory VS".
 He also composed theme music for "Pride Fighting Championships" and "Ultraman Max".

Question: What Japanese composer was known as the "Beethoven of video game music" and was honored in the tribute album Voices of the Lifestream?
Answer: Nobuo Uematsu