Fukuoka · Ishibashi Cultural Hall, KurumeGoogle Maps ↗
Quatuor B in Kurume
E Orchestra 20th Anniversary Project
Doors 13:00 · Concert 13:30 · Reserved seating: general ¥2,500; high-school students and younger ¥1,000; free for children under 3

Saxophone Quartet
PROFILE
Founded in 2007, Quatuor B brings together Sadahito Kunisue (soprano), Masaya Yamaura (alto), Sumichika Arimura (tenor), and Gentaro Koyama (baritone). The name reflects a shared coincidence: all four members have blood type B. The quartet performs throughout Japan and abroad, presenting repertoire from classical masterworks to approachable concert programs for schools and communities.
CONCERTS & ACTIVITIES
Upcoming engagements and verified past concerts are added progressively, with no cut-off year.
5 listed
Fukuoka · Ishibashi Cultural Hall, KurumeGoogle Maps ↗
E Orchestra 20th Anniversary Project
Doors 13:00 · Concert 13:30 · Reserved seating: general ¥2,500; high-school students and younger ¥1,000; free for children under 3Tokyo · Kamata Onsen Dining Hall, 2FGoogle Maps ↗
A saxophone-quartet show of Latin favourites and Showa-era songs at Kamata Onsen
Doors 14:30 · Starts 15:00 · Unreserved seating¥2,200 · 限定50名Aomori · Iwaki Cultural Center Asobēru, HirosakiGoogle Maps ↗
Quatuor B guest appearance
Doors 13:00 · Starts 13:30 · General ¥1,500 · Junior and senior high students ¥500 · Elementary school age and under freeTakamatsu, Kagawa · Asahi Danball Hall Kokubunji (Takamatsu Kokubunji Hall)Google Maps ↗
Quatuor B: Sadahito Kunisue, Masaya Yamaura, Sumichika Arimura and Gentaro Koyama
Ticket release date: 12 September 2026 · Doors 13:30 · Concert 14:00 · Unreserved seating: advance general ¥1,000, high-school students ¥500; ¥500 more at the door; free for junior-high students and younger · Programme: Ryota Ishikawa, Sanuki Fantasy; Desenclos, Saxophone Quartet; Quatuor B's evolving entertainment show, Becal Box; and moreSaitama, Saitama · Saitama City Industrial Cultural Center, 1F HallGoogle Maps ↗
Quatuor B · A family concert welcoming babies and expectant mothers
Doors 13:20 · Concert 14:00 · Scheduled end around 15:45, including intermission · Address: 5-4-3 Shimo-ochiai, Chuo-ku, Saitama (six minutes on foot from the east exit of Yono-hommachi Station on the JR Saikyo Line) · Adults ¥1,500 (junior-high age and older) · Children ¥500 (ages three through elementary school) · One child aged two or younger may sit on each adult's lap · Babies may attend from 60 days after birth and at least 48 hours after their first routine vaccination · Ticket Pia P-code: 337035 · Please read the organiser's health and safety guidance in advance and check the official website again on the day of the concert110 listed
Shinjuku, Tokyo · Shinjuku PIT INNGoogle Maps ↗
Toshiyuki Honda, Quatuor B and Naomi Honda
Doors 13:30 · Concert 14:00 · ¥4,950 including one drinkMaizuru, Kyoto · Main Hall, Maizuru City Comprehensive Cultural HallGoogle Maps ↗
Quatuor B, Kenichi Nakagawa and Eri Unoki
Doors 13:30 · 14:00–15:00 · Advance: adults ¥1,800, junior-high students and younger ¥800; door: adults ¥2,000, children ¥1,000 · Includes the musical picture book You Look Yummy!Maizuru, Kyoto · Catholic Nishi-Maizuru ChurchGoogle Maps ↗
Quatuor B, saxophone quartet, and Kenichi Nakagawa, piano
Doors 09:45 · Concert 10:00 · Programme: Holst, Jupiter from The Planets; J. S. Bach–Gounod, Ave Maria; Quatuor B's Becal Box; and more · FY2025 Public Hall Music Revitalisation Support Project · Presented by the City of MaizuruAdachi, Tokyo · Music Room, Motoki Elementary SchoolGoogle Maps ↗
Quatuor B · Two performances for third-grade pupils
School outreach · Concerts at 10:25 and 11:25, 45 minutes eachFukuoka · Acros Fukuoka Symphony HallGoogle Maps ↗
Quatuor B; E-Oke; Shunsaku Koga, drums; volunteer second-year members of Kurume Commercial High School Wind Band; and others
Doors 13:30 · Concert 14:00 · Programme: Mendelssohn, Capriccio; Pascal, Saxophone Quartet; Hass, Volcanic Ash; Ravel, Boléro; Chick Corea, Spain; Latin Medley, arr. Hiroki Takahashi; Hana wa Saku; and moreShinjuku, Tokyo · Artist Salon DolceGoogle Maps ↗
Sadahito Kunisue, soprano saxophone; Masaya Yamaura, alto saxophone; Sumichika Arimura, tenor saxophone; Gentaro Koyama, baritone saxophone
Doors 14:30 · Concert 15:00 · Programme: Mendelssohn, Capriccio; Pascal, Quatuor de Saxophones; Hass, Volcanic Ash; Quatuor B's evolving entertainment show, Becal Box 2025Aizumisato, Fukushima · Jigen Hall, Jigen PlazaGoogle Maps ↗
Masaya Yamaura, Quatuor B, Circle A Sax!!, Aizu Saxophone Project and Chiaki Oshima
Doors 13:30 · Concert 14:00 · General ¥3,000; high-school students and younger ¥1,000; preschool children free · Programme includes Gardel, El Día Que Me Quieras; Ryota Ishikawa, Rhapsody on Japanese Folk Songs; Molinelli, Four Pictures from New YorkMishima, Fukushima · Misaka PlateauGoogle Maps ↗
Quatuor B · Starwatching Tour 2025: Misaka Night Sky
18:00–18:45 · Free admissionNago, Okinawa · Main Hall, Nago Civic HallGoogle Maps ↗
Quatuor B, Eri Unoki and Kenichi Nakagawa
11:00–noon · Adults ¥500; free for high-school students and younger · Picture books include The Very Hungry Caterpillar and You Look Yummy!Ueda, Nagano · Hall Kodama, Shinshu International Music VillageGoogle Maps ↗
Sadahito Kunisue, Masaya Yamaura, Sumichika Arimura and Gentaro Koyama
Doors 18:30 · Concert 19:00 · Ends 21:00 · Programme: Mendelssohn, Capriccio; Pascal, Saxophone Quartet; Haas, Volcanic Ash; Becal Box 2025Saitama, Saitama · Saitama City Industrial Cultural Center, 1F HallGoogle Maps ↗
Quatuor B
Doors 13:20 · Concert 14:00 · Scheduled end 15:45 · Adults ¥1,500; children ¥500Tokushima, Tokushima · Sudachikun Forest Theater, Tokushima Prefectural 21st Century MuseumGoogle Maps ↗
Sadahito Kunisue, Masaya Yamaura, Sumichika Arimura and Gentaro Koyama
Doors 13:15 · Concert 14:00 · Free admission · Disney and Studio Ghibli selections and more
NEW GOODS
Meet the members of Quatuor B in a new set of expressive LINE stickers, created by Kuratsu, a participant in the Becal Academy.
DISCOGRAPHY
Selected recordings featuring Sadahito Kunisue with this ensemble.
2010
2013
2017
2022More information
Official page ↗