Question: Are both Justin Currie and Kyo Japanese singers?

full_context: Document 1: The Great War (album): The Great War is the second solo album by singer/songwriter Justin Currie, best known for his involvement in the band Del Amitri.
Document 2: Toshi (musician): Toshimitsu Deyama (出山利三 , Deyama Toshimitsu , born October 10, 1965 in Tateyama, Chiba) , known exclusively by his stage name Toshi, is a Japanese singer and songwriter. He is best known as the lead vocalist and a co-founder of the heavy metal band X Japan, which disbanded in 1997. Toshi then went on to have an extensive solo career. In 2007, X Japan reunited and began an ongoing world tour in 2010. His distinctive, impassioned tenor vocals have been compared to those of Steve Perry.
Document 3: 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 4: 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 5: What Is Love For: What is Love For is the first solo album by singer/songwriter Justin Currie, best known for his involvement in the band Del Amitri.
Document 6: Lower Reaches: Lower Reaches is the third solo album by singer/songwriter Justin Currie, best known for his involvement in the band Del Amitri.
Document 7: Del Amitri discography: The discography of Del Amitri, a Scottish pop rock band formed in 1983, includes six studio albums, one live album, two compilation and 19 singles. Four of their studio albums reached the top 10 in the UK Albums Chart. Their first album, which is a self-title album released in May 1985 did not enter the UK Albums Chart at all, and their final studio album "Can You Do Me Good?", released in 2002, peaked at number 13. The band's most successful studio album was their third "Change Everything", which reached second place in the UK Albums Chart. Also the band's compilation album, "Hatful of Rain: The Best of Del Amitri", got to fifth place in the UK Albums Chart. The band broke up in 2002. They played a reunion gig at The Hydro Glasgow on 24 January 2014. A live album, "Into the Mirror", recorded on the reunion tour in January and February 2014 was released on 20 October 2014.
Document 8: Justin Currie: Justin Robert Currie (born 11 December 1964) is a Scottish singer and songwriter, best known as a founding member of the band Del Amitri and, along with Iain Harvie, is one of only two members of the group to be present throughout its entire existence.
Document 9: Kyo (musician): Kyo (京 , Kyō ) is a Japanese musician, poet and singer-songwriter. He is best known as the vocalist of the metal band Dir en grey. He has been with the band since its inception in 1997 and was formerly in La:Sadie's. Kyo was inspired to become a musician when he saw a picture of Buck-Tick vocalist Atsushi Sakurai on the desk of a junior high school classmate. His vocals span a tenor range.
Document 10: Tomoya Kanki: Tomoya Kanki (神吉 智也 , Kanki Tomoya ) (born June 27, 1987 in Hyogo Prefecture, Japan, better known by his stage name Tomoya). He played drums on ONE OK ROCK indie releases but did not officially join until 2007. Tomoya came from ESP Musical Academy where he used to be a teacher. He has the most curious hobbies among the band members and the eldest member of ONE OK ROCK. He is the one who often updates the ONE OK ROCK blog.
Document 11: Iain Harvie: Iain Wallace Harvie (born 19 May 1962 in Glasgow, Scotland) is the guitarist with the Scottish rock band Del Amitri. Along with lead singer and bassist Justin Currie, Harvie is one of only two members to be present throughout Del Amitri's history since its 1982 inception. He is also the co-writer, with Currie, of many of the group's songs.
Document 12: Kyosuke Himuro: Kyosuke Himuro (氷室 京介 , Himuro Kyōsuke , born October 7, 1960 in Takasaki, Gunma, Japan) is a Japanese singer-songwriter and musician. He was a lead vocalist of the rock band Boøwy from 1981 to 1988. After the group disbanded he started a successful solo career, becoming one of Japan's best-selling artists. In 2003, HMV Japan ranked Himuro at number 76 on their list of the 100 most important Japanese pop acts. He currently lives in Los Angeles, California, where he purchased a palatial residence in Beverly Hills in 2004, which was previously owned by Shaquille O'Neal.
Document 13: Boøwy: Boøwy (pronounced: bóui, stylized as BOØWY) was a Japanese rock band formed in Takasaki, Gunma in 1981. The best-known lineup of Kyosuke Himuro (vocals), Tomoyasu Hotei (guitar), Tsunematsu Matsui (bass) and Makoto Takahashi (drums) reached legendary status in Japan during the 1980s.
Document 14: Gackt: Gackt Camui (神威 楽斗 , Kamui Gakuto , born July 4, 1973) , better known by his stage name Gackt, is a Japanese musician, singer, songwriter and actor. He has been active since 1993, first as the frontman of the short-lived independent band Cains:Feel, and then for the now defunct visual kei rock band Malice Mizer, before starting his solo career in 1999. He has released nine studio albums and, with forty-eight singles released, holds the male soloist record for most top ten consecutive singles in Japanese music history. His single "Returner (Yami no Shūen)", released on June 20, 2007, was his first single to reach the number one spot on the Oricon charts.
Document 15: Del Amitri: Del Amitri is a Scottish alternative rock band, formed in Glasgow, Scotland in 1983. The band grew out of Justin Currie's Jordanhill College School band and came together after a teenaged Currie placed an advertisement in the window of a music store asking for people who could play to contact him. The band was formed with the original line-up of Currie (bass and vocals), Iain Harvie (lead guitar), Bryan Tolland (guitar) and Paul Tyagi (drums). Currie and Harvie were the only members of the band to remain present throughout its history. They were also the main songwriters of the group.
ground_truth: no