Hatsune Miku, sometimes called Miku Hatsune, officially code-named CV01, is a Vocaloid software voicebank developed by Crypton Future Media and its official mascot character, a sixteen-year-old girl with long, turquoise twintails. Miku's personification has been marketed as a virtual idol, and has performed at live virtual concerts onstage as an animated holographic projection.
Livetune is a Japanese electro band which formed in 2007 as a dōjin music circle signed to Toy's Factory. The band originally consisted of two members, Kz and Kajuki P, but Kajuki P left the band in March 2009. Livetune started out by making use of the Hatsune Miku singing synthesizer to produce vocals for songs submitted to the Nico Nico Douga video sharing website. The popularity of the songs led the band to release the independent album Re:package at Comiket 73 in December 2007. Livetune made its major debut with Victor Entertainment with the professional release of their Re:package album in August 2008, which was updated with more songs. Livetune began collaborating with other artists in 2009, and has since composed music for such artists as Kotoko, ClariS, Maon Kurosaki, and fellow dōjin musician Ryo of Supercell.
Yoasobi is a Japanese pop duo formed in 2019. It consists of musician and record producer Ayase and singer-songwriter Lilas Ikuta, under the moniker Ikura. With the slogan "novel into music", the duo originally released songs based on selected short stories posted on Monogatary.com, a social media website for creative writing operated by Sony Music Entertainment Japan. Sources later also come from various media like stories written by professional authors, books, letters, plays, etc.
"Yoru ni Kakeru" is the debut single by Japanese duo Yoasobi from their debut EP, The Book (2021). It was released on December 15, 2019, by Sony Music Entertainment Japan. The song was based on Mayo Hoshino's short story, An Invitation from Thanatos, which was published on the creative writing social media Monogatary.com, and won the Sony Music Award, and the Grand Prize from Monocon 2019.
"Ano Yume o Nazotte" is a song by Japanese duo Yoasobi from their debut EP, The Book (2021). It was released as a single on January 18, 2020, through Sony Music Entertainment Japan. Like their previous single, "Ano Yume o Nazotte" was based on Monocon 2019-winning short story, titled Yume no Shizuku to Hoshi no Hana, written by Sōta Ishiki. The song and its based story are about a love story at a fireworks festival displayed by a high school girl and her classmate boy who would confess to her in her dream. The music video was released two days later.
"Gunjō" is a song by Japanese duo Yoasobi, featuring an uncredited chorus by cover group Plusonica, from their debut EP, The Book (2021). It was released as a single through Sony Music Entertainment Japan on September 1, 2020. Inspired by Tsubasa Yamaguchi's manga Blue Period and based on a story text Ao o Mikata ni, the song is described as "a cheering song that inspires listeners by immersing themselves in what they like and expressing what they see."
The Book is the debut EP by Japanese duo Yoasobi. It was released on January 6, 2021, through Sony Music Entertainment Japan, the same date with their single "Kaibutsu", accompanied the second season of Beastars. A concept of "reading CD" with binder package, the EP consists of all singles released from 2019 to 2020, including other track "Encore". The track-by-track cover EP Mikunoyoasobi by Ayase with Vocaloid voicebank Hatsune Miku, was released on the same day exclusively at Tower Records Japan.
"Kaibutsu" is a song by Japanese duo Yoasobi from their second EP, The Book 2 (2021). It was released as a single through Sony Music Entertainment Japan on January 6, 2021, the same date as the duo's debut EP, The Book. As an opening theme for the second season of the anime television series Beastars, "Kaibutsu" is about a carnivore trying to coexist with herbivores in a cruel world, based on Jibun no Mune ni Jibun no Mimi o Oshi Atete, written by the anime's writer Paru Itagaki.
"Mō Sukoshi Dake" is a song by Japanese duo Yoasobi from their second EP, The Book 2 (2021). It was released as a single on May 10, 2021, by Sony Music Entertainment Japan. Written by Ayase and based on Chiharu's short story Meguru, the song is a pop song, telling about giving the courage to take a little more at the beginning of a day. The song featured as a theme song for Fuji TV's morning news, Mezamashi TV.
The discography of Japanese duo Yoasobi consists of seven extended plays, twenty-six singles, two promotional singles, two video album, and thirty-one music videos. Four of Yoasobi's songs—"Yoru ni Kakeru", "Gunjō", "Kaibutsu", and "Idol"—received diamond certifications for surpassing 500 million streams by the Recording Industry Association of Japan (RIAJ), the most among artists.
"Sangenshoku" is a song by Japanese duo Yoasobi, from their second EP, The Book 2 (2021). It was released as a single on July 2, 2021, through Sony Music Entertainment Japan. The song featured as a background music for mobile service Ahamo advertisement. Based on Yūichirō Komikado's short story RGB, the song depicts relationships between childhood friends that are still connected even though they live in different places.
"Loveletter" is a song by Japanese duo Yoasobi from their second EP, The Book 2 (2021). It was released as a single on August 9, 2021, through Sony Music Entertainment Japan. The song was written by Ayase and based on Hatsune's letter Ongaku-san e, which won the Letter Song Project, a collaboration with radio show Sunday's Post. "Loveletter" peaked at number three on the Oricon Combined Singles Chart, and number four on the Billboard Japan Hot 100.
The Book 2 is the second Japanese-language EP by Japanese duo Yoasobi. It was released on December 1, 2021, through Sony Music Entertainment Japan, eleven months after their debut EP The Book (2021). It consists of eight tracks, preceded by their all singles released in 2021, and included the new song "Moshi mo Inochi ga Egaketara".
E-Side is the debut English-language EP by Japanese duo Yoasobi. It was released on November 12, 2021, through Sony Music Entertainment Japan. The EP consists of eight tracks from the duo's songs in the English language, including their previous-release singles "Into the Night", "RGB", "Monster", and "Blue". Konnie Aoki is in charge of translating all tracks into English. Commercially, E-Side debuted at number 19 on the Oricon Combined Albums Chart and number nine on the Billboard Japan Hot Albums.
"Suki da" is a song by Japanese duo Yoasobi from their EPs Hajimete no – EP and The Book 3 (2023). It was released on May 30, 2022, through Sony Music Entertainment Japan, as the second single from the short story collection project Hajimete no following "Mr." Based on the short story Hikari no Tane written by 135th Naoki Prize-winning Eto Mori, the song depicts a high school girl's fourth confession to her crush and efforts to erase her past confessions through time travel. "Suki da" peaked at number 23 on the Oricon Combined Singles Chart and number eight on the Billboard Japan Hot 100. The accompanying music video, directed by Kazuaki Seki, was uploaded on November 13.
"Shukufuku" is a song by Japanese duo Yoasobi from their third EP, The Book 3 (2023). It was released as a single on October 1, 2022, by Sony Music Entertainment Japan, served as the opening theme of the first season of the Japanese mecha anime series Mobile Suit Gundam: The Witch from Mercury (2022).
"Idol" is a song by Japanese duo Yoasobi from their third EP, The Book 3 (2023). It was released as a single on April 12, 2023, by Sony Music Entertainment Japan, serving as the opening theme to the first season of the 2023 Japanese anime series Oshi no Ko. Written by Ayase and based on Aka Akasaka's short story 45510, "Idol" is a combination of Japanese idol-styled pop, hip-hop, rock, and video game music, and depicts the two-faced nature of a star in the Japanese idol industry. The lyrics delineate multiple different perspectives on the anime's central character, the idol Ai Hoshino, namely those of her fans, her fellow groupmates, and her own self. It additionally features shouts by B-boy group Real Akiba Boyz and gospel-like background vocals.
Ayase is a Japanese musician and record producer. He is best known as a Vocaloid producer and composer for Yoasobi, a musical duo composed of himself and vocalist Ikura. He was also a vocalist of the rock band Davinci until its disbandment in 2020.
The Book 3 is the third Japanese-language EP by Japanese duo Yoasobi. It was released on October 4, 2023, through Sony Music Entertainment Japan, one year and ten months after their second EP The Book 2 (2021). Continuing with the "reading CD" concept as previous records, the EP spans electropop and synth-pop genres, comprising ten tracks, which were solely written and produced by one half of the duo Ayase.
Kosuke Terayama, known professionally as Deco*27 is a Japanese musician, Vocaloid producer, and songwriter. He is considered to be one of the most influential Vocaloid producers of the early 2010s, along with wowaka and Kenshi Yonezu.
