Question: Samfree is a Japanese music producer that using what software to produce his music?

full_context: Document 1: Microsoft Songsmith: Microsoft Research Songsmith is a musical accompaniment application for Microsoft Windows, launched in early 2009. Songsmith immediately generates a musical accompaniment after a voice is recorded. The user can adjust tempo, genre (such as pop, R&B, hip-hop, rock, jazz, or reggae), and overall mood (e.g. to make it happy, sad, jazzy, etc.).
Document 2: Seamo: Naoki Takada (高田 尚輝 , Takada Naoki , born October 31, 1975) is a Japanese rapper and hip-hop artist better known under his alias Seamo (シーモ "Shīmo"). He made his debut in 2004 using the alias Sea-Mo Nator (シーモネーター , shīmonētā ) , but later changed his name to Seamo. He made his solo debut in 2005 with the Japanese record label BMG Japan with the single "Kanpaku" (関白 , Advisor ) . Seamo became famous when he appeared along with the duo Bennie K on the song "A Love Story." In 2006, Seamo had his best-selling single in Japan with "Mata Aimashō" (マタアイマショウ ) , which despite peaking at number fourteen on the singles chart has spent thirty four weeks on the chart and sold more than 160,000 copies so far. His debut album is "Get Back On Stage", released on October 31, 2005. His second album, "Live Goes On", made its debut on the Japanese chart at number one. As his favorite artists and influences, Seamo lists Kool Keith, MC Hammer, and Japanese acts Unicorn, Sing Like Talking, and Original Love. In 2008, he released "Honey Honey Feat. Ayuse Kozue", this song was used as the ending theme song of the second season of the anime "xxxHolic", "xxxHolic: Kei". His song "My Answer" was used as the tenth ending of the popular anime "Naruto Shippuden". His song "Umi e Ikou" was featured as the ending theme for the 2010 live-action drama "Moyashimon".
Document 3: Noriyuki Asakura: Noriyuki Asakura (朝倉 紀行 (formerly 浅倉 紀幸) , Asakura Noriyuki ) is a Japanese music composer and vocalist. He is famous for composing the soundtracks to the anime series "Rurouni Kenshin" and the popular video game franchises "Tenchu" and "Way of the Samurai". He is well known for combining traditional Japanese music with elements of rock, jazz, and other world music.
Document 4: Vocalstyle Music Company: The Vocalstyle Music Company of Cincinnati, Ohio was one of the foremost manufacturers of piano rolls. Founded around 1906, they were the first company to conceive of the idea of printing song lyrics on the piano roll so they could be viewed and sung as the music played. They patented this idea and collected royalties from all other music roll companies that printed lyrics.
Document 5: Voice activity detection: Voice activity detection (VAD), also known as speech activity detection or speech detection, is a technique used in speech processing in which the presence or absence of human speech is detected. The main uses of VAD are in speech coding and speech recognition. It can facilitate speech processing, and can also be used to deactivate some processes during non-speech section of an audio session: it can avoid unnecessary coding/transmission of silence packets in Voice over Internet Protocol applications, saving on computation and on network bandwidth.
Document 6: Shikao Suga: Shikao Suga (スガ シカオ , Suga Shikao , born July 28, 1966) is a Japanese musician and singer-songwriter from Tokyo known for writing the theme songs for several anime, movies and commercial ads. His name is 菅 止戈男 . "Suga" (菅 ) is his family name and "Shikao" (止戈男 ) is his given name. He uses the katakana (スガ Suga シカオ Shikao) equivalent of his name as his professional name.
Document 7: Vocaloid: Vocaloid (ボーカロイド , Bōkaroido ) is a singing voice synthesizer. Its signal processing part was developed through a joint research project led by Kenmochi Hideki at the Pompeu Fabra University in Barcelona, Spain, in 2000 (the same team that later founded Voctro Labs) and originally was not intended to be a full commercial project. Backed by the Yamaha Corporation, it developed the software into the commercial product "Vocaloid".
Document 8: Etsuko Yakushimaru: Etsuko Yakushimaru (やくしまる えつこ , Yakushimaru Etsuko ) is a Japanese singer, producer, and composer. She is known for her solo works including theme songs in several anime series, such as "Arakawa Under The Bridge", "Space Dandy", "Sailor Moon Crystal", and "Mawaru Penguindrum". As well as being the lead vocal of the rock band Sōtaisei Riron, she also works as an illustrator and narrator. Initially, she did not reveal her face to the public, until the artist and her band was featured in the July 2009 edition of "Studio Voice" magazine. She also goes by the alias of Tika α (ティカ・α ) when credited for lyrics and composing.
Document 9: Voice type: A voice type is a particular human singing voice identified as having certain qualities or characteristics of vocal range, vocal weight, tessitura, vocal timbre, and vocal transition points ("passaggio"), such as breaks and lifts within the voice. Other considerations are physical characteristics, speech level, scientific testing, and vocal register. A singer's voice type is identified by a process known as voice classification, by which the human voice is evaluated and thereby designated into a particular voice type. The discipline of voice classification developed within European classical music and is not generally applicable to other forms of singing. Voice classification is often used within opera to associate possible roles with potential voices. Several different voice classification systems are available to identify voice types, including the German "Fach" system and the choral music system among many others; no system is universally applied or accepted.
Document 10: Hironobu Kageyama: Hironobu Kageyama (影山 ヒロノブ , Kageyama Hironobu ) is a Japanese musical artist prominent in the soundtracks for anime, video game, and tokusatsu productions. He is sometimes called Kami (Kei) by his fans. Kageyama got his big break at age 16, as lead singer of the rock group Lazy. By the early '80s, the band split and Kageyama went solo. He found major success once he started to sing the theme songs of anime and tokusatsu shows. Becoming immensely popular soon after, Kageyama went on to be dubbed the "Prince of Anime/Tokusatsu Songs" and is a main fixture for shows to this day. He also got the nickname "Mr. DBZ" by fans of "Dragon Ball Z" as he did the most songs for that anime. He is an original member and the current leader of the popular vocal group JAM Project. Also, along with Masaaki Endoh, he hosts "Anipara Ongakukan", a TV show aired on the Kids Station Channel that shows live performances of the theme songs of recent anime and tokusatsu shows.
Document 11: Kazutoshi Sakurai: Kazutoshi Sakurai (桜井 和寿 , Sakurai Kazutoshi , born 櫻井 和寿 , March 8, 1970 in Tokyo) is a Japanese musician. He composes and writes almost all of the songs for his band Mr. Children, in addition to writing lyrics and singing for his solo project group Bank Band. In 2006, Sakurai ranked #8 in HMV's "Top 30 Best Japanese Singers of All Time" and in 2007 was voted #4 as the "ideal father image" by Oricon. Also, in 2009, he was chosen as one of the Young Global Leaders in World Economic Forum. As an entrepreneur, he co-founded AP Bank, where he personally provided 1 million dollars of seed money to launch and fund the nonprofit lending group which finances environmentally friendly projects.
Document 12: Volsoc: Volsoc is an American electronica project, consisting of Justin Maxwell and Jean-Paul Bondy. The project formed after a series of collaborative live performances in the Southern California rave scene in 1999-2000. Combining their individual monikers, Stupid Octave Cat ("soc") and Volum, the two first recorded under this name for the 2001 Abduction Productions compilation, "SCR.COMP.002". They were originally approached for further releases for Exzakt's Monotone USA label, but released their first 12" on Germany's World Electric. This debut vinyl release earned them immediate international recognition in the Electro and Breakbeat communities, and the title tracks, the slightly electroclash "Compuphonic Intelligence" and minimal "Shout Out" became two of the most popular electro tracks of 2002-2003. This EP, as well as their subsequent one on breakbeat producer Si Begg's label Noodles Institute of Technology, serves as an archetypical release for the nu skool electro genre.
Document 13: Samfree: Sano Takayuki (佐野貴幸 ) , more commonly known as samfree or SAM, was a Japanese music producer heavily involved in composing and arranging songs using Vocaloid software. He was also notably involved in producing theme songs for various anime television series.
Document 14: Naoki Satō: Naoki Satō (佐藤 直紀 , Satō Naoki , born May 2, 1970 in Chiba, Japan) is a Japanese composer who has provided the music for several popular anime series including the first five "Pretty Cure" series, "X", "Eureka Seven", "Sword of the Stranger", and "Blood-C". He graduated from the Tokyo College of Music in 1993. At the 29th Japan Academy Prize in 2006, he won the Best Music prize for his work on the film "Always Sanchōme no Yūhi (Always Sunset on Third Street)". He also composed music for anime films such as "Pretty Cure All Stars DX" trilogy, "Stand By Me Doraemon". In live-action dramas, he provided music and soundtracks for TV dramas "Good Luck!!" "Water Boys", "H2: Kimi to Ita Hibi" and "Ryōmaden". He provided the music for the "Space Battleship Yamato" film, as well as the "Rurouni Kenshin" and "" live-action film series. For the 38th Japan Academy Prize in 2015, he was nominated in the Best Score category for his work in "The Eternal Zero". While he did not win the award, "The Eternal Zero" won several awards including Best Picture, and "Stand By Me Doraemon" won for Best Animated Film.
Document 15: Vocalise (Corigliano): Vocalise is a composition for soprano, electronics, and orchestra by the American composer John Corigliano. The work was commissioned by the New York Philharmonic under the direction of Kurt Masur with financial contributions from the Francis Goelet Fund. It was given its world premiere by the soprano Sylvia McNair and the New York Philharmonic under Masur at Avery Fisher Hall on November 11, 1999. The piece is dedicated to Sylvia McNair.
ground_truth: Vocaloid