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B Zone

B Zone is a Japanese private entertainment group and recording-company network known for operating music labels and supplying extensive theme music for Detective Conan.

Last updated August 25, 2026

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Overview

B Zone, formally B ZONE, Inc., is a Japanese private entertainment conglomerate and recording-label group headquartered in Tokyo. The company was established on November 1, 1978, by music producer Daiko Nagato and operated for many years under the name Being, with the wider organization also described as the Being Giza Group. On April 4, 2023, the company changed its name to B Zone, while retaining the group structure and music-business activities associated with its earlier identity. The group’s core business is built around music production, record-label operations, artist management, publishing, promotion, studio services, design and video production, and digital distribution. Rather than functioning solely as a conventional record label, B Zone developed a network of specialized label companies and affiliated businesses. This structure allowed the group to develop artists, produce recordings, manage intellectual property, publish compositions, promote releases, and distribute music through related operations. Its label portfolio has included Vermillion Records, Zain Records, B.Gram Records, Giza Studio, Northern Music, O-TOWN Jazz, D-Go, B-Zone, CRIMZON, NiM Records, Kaikyō Record, Asistobe, and D5 Records, as well as a number of former or independent-oriented labels. B Zone is particularly associated with Japanese popular music and with the production and supply of theme songs for the Detective Conan anime franchise. According to the referenced material, the group had supplied more than 130 theme songs for the television series and its films by May 2023. This association has made the organization an important recurring contributor to one of Japan’s longest-running anime music ecosystems. The group’s broader catalog and affiliated artist offices have also supported performers connected with labels such as Being, Giza Studio, Zain, and Vermillion. The group’s business scope extends beyond recording. Music-publishing entities such as B Planning Office, B Zone Music, and Giza Music administer or support composition and publishing activities. Artist-management offices include Vermillion, Sensui, Loop, Giza Artist, Zain Artist, Ading, White Dream, Signaled Yellow, and Wormhole. B Zone has also maintained production, studio-management, design, video, promotional, and internet-related operations, including the Music Freak Magazine promotion platform and B Zone channels on YouTube and NicoNico Douga. The wider corporate network has additionally included event facilities and real-estate companies, indicating that the group has operated as a diversified entertainment and asset-management organization rather than only as a label. Its history also includes a 2001 tax controversy. Japanese authorities found that Being and its subsidiary B+U+M, which was later merged into Vermillion Records, had failed to declare 840 million yen in income. The reference material states that the companies were ultimately acquitted after the investigation. No current public listing, ticker, controlling parent, or financial figures are established in the supplied sources. B Zone is therefore best characterized as an active, privately held Japanese music and entertainment group whose principal public identity rests on its label network, artist operations, and long-running anime and popular-music work.

History

B Zone traces its origins to November 1, 1978, when music producer Daiko Nagato founded the organization in Japan. For much of its existence, the company was known as Being, Inc., and the broader corporate network was often called the Being Giza Group. Its development reflected a move toward a production-centered music business in which a single organization could coordinate artist development, recording, publishing, promotion, management, and distribution. The group began building a dedicated label system in the 1990s. Vermillion Records was established in 1990, having previously operated as BMG ROOMS and having been associated with a joint venture involving BMG Japan. Zain Records followed in 1991, initially using the name B.Jin. B.Gram Records was established in 1993 and had earlier been connected with a joint venture involving Nippon PolyGram. These arrangements placed the group within the changing Japanese and international record-industry landscape while giving it greater control over artist catalogs and releases. During the late 1990s and 2000s, the network expanded its label and specialist operations. Giza Studio began in 1999 and became one of the group’s continuing labels. The organization also operated or established labels such as B-Vision, Amemura-O-Town Record, BERG, Tent House, Styling Records, DAY TRACK, zazzy, magnifique, and pure:infinity. Northern Music was established in 2007, followed by O-TOWN Jazz and D-Go in 2012. These labels allowed the group to cover different musical styles and artist categories, including mainstream Japanese pop, jazz, and independent-oriented releases. The organization’s relationship with anime became one of its most visible long-term activities. Artists and labels connected with the group supplied recurring theme songs for Detective Conan, including music used in both the television series and theatrical films. By May 2023, the group was reported to have contributed more than 130 themes. This work linked B Zone’s recording operations to a durable national media franchise and made its catalog familiar beyond the conventional record-market context. Alongside its labels, the group developed affiliated companies for publishing, artist management, music production, studio administration, design, video, promotion, and internet distribution. Publishing operations included B Planning Office, B Zone Music, and Giza Music. Management operations included Vermillion, Sensui, Loop, Giza Artist, Zain Artist, Ading, White Dream, Signaled Yellow, and Wormhole. The group also operated or supported music-production companies, studios, creative agencies, and promotional properties such as Music Freak Magazine. Its digital presence included official B Zone channels on YouTube and NicoNico Douga. The group also maintained event and real-estate interests, including the Dojima River Forum and other facilities and property companies listed among its subsidiaries or related entities. This diversified structure made B Zone broader than a single imprint: it functioned as an entertainment group with a network of specialized companies and assets. In June 2001, Being and its subsidiary B+U+M became involved in a tax investigation after authorities found that 840 million yen in income had not been declared. B+U+M was later merged into Vermillion Records. The supplied reference states that the companies were acquitted after the investigation, and it does not provide further legal or financial detail. On April 4, 2023, Being changed its company name to B Zone. The rebranding formalized the name already used for part of the organization while preserving the group’s established activities in labels, music production, publishing, artist management, promotion, and related entertainment services. The reference material identifies B Zone as an active private company, but does not establish a current chief executive, owner, listed status beyond its private character, or publicly reported financial performance.

  • 2023

    Being renamed B Zone

    [1]

    The company changed its name from Being to B Zone on April 4, 2023.

  • 2012

    O-TOWN Jazz, D-Go, and B-Zone labels added

    [1]

    The group expanded its label system with O-TOWN Jazz, D-Go, and the label then known as Being.

  • 2007

    Northern Music established

    [1]

    Northern Music was added to the group’s continuing label portfolio.

  • 2001

    Tax investigation

    [1]

    Being and subsidiary B+U+M were investigated over 840 million yen in undeclared income and were later acquitted according to the supplied reference.

  • 1999

    Giza Studio begins operations

    [1]

    Giza Studio was established and became one of the group’s continuing music labels.

  • 1993

    B.Gram Records established

    [1]

    B.Gram Records was added to the group’s major-label network after an earlier joint-venture association with Nippon PolyGram.

  • 1991

    Zain Records established

    [1]

    Zain Records joined the group’s expanding production-based label system after previously operating under the name B.Jin.

  • 1990

    Vermillion Records established

    [1]

    The label formerly known as BMG ROOMS became part of the group’s label network under the Vermillion Records name.

  • 1978

    Organization founded

    [1]

    Daiko Nagato founded the company on November 1, 1978, establishing the organization that later became known as Being and then B Zone.

Products and positioning

A vertically integrated Japanese music and entertainment group combining record labels, production, publishing, artist management, promotion, and related media services. Its most distinctive public association is the sustained supply of theme music for Detective Conan.

  • Record label · 1990

    Vermillion Records

    A major label in the group’s network, established in 1990 and previously known as BMG ROOMS. The label was formerly connected with a joint venture involving BMG Japan. Vermillion also serves as the name of an artist-management office associated with the group.

  • Record label · 1991

    Zain Records

    A label established in 1991, initially under the name B.Jin. Zain Records forms part of B Zone’s Japanese recording and artist-development network and is supported by related management and production activities.

  • Record label · 1993

    B.Gram Records

    A label created in 1993 after an earlier joint-venture relationship with Nippon PolyGram. It represents the group’s expansion into a structured portfolio of specialized recording companies.

  • Record label and music production · 1999

    Giza Studio

    Established in 1999, Giza Studio is one of the group’s continuing labels. It is part of the wider Giza-centered ecosystem of recording, artist management, publishing, and production operations.

  • Record label · 2007

    Northern Music

    A continuing label established in 2007 within the group’s broader Japanese music portfolio. The label operates alongside other B Zone imprints serving different artists and musical projects.

  • Anime and film music

    Detective Conan theme music

    B Zone and its affiliated labels have supplied theme songs for the Detective Conan television anime and films. More than 130 themes had reportedly been supplied by May 2023, making the franchise a defining long-term outlet for the group’s artists and songwriters.

Controversies

  • 2001

    Undeclared income investigation

    Being and its subsidiary B+U+M were found to have failed to declare 840 million yen in income. The supplied reference says that both companies were acquitted after the investigation; B+U+M was later merged into Vermillion Records.

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Marketing campaigns

  • Detective Conan music program

    Japan

    Through its labels and affiliated artists, B Zone has repeatedly produced and supplied opening themes, ending themes, and other theme music for the Detective Conan television series and films.

    Outcome. The group became one of the franchise’s principal recurring music suppliers, with more than 130 themes attributed to the group by May 2023.

  • Music Freak Magazine promotion

    Japan

    Music Freak Magazine operated as a promotion-related property within the group’s network, supporting visibility for B Zone-associated artists and releases.

Brand decisions

  • 2023

    Corporate rebranding from Being to B ZoneStrategy

    Background

    The group had operated for decades under the Being name while also using B Zone-related names for parts of its label and corporate structure.

    Action taken

    On April 4, 2023, the company changed its name to B Zone.

    Aftermath

    The organization continued its label, production, publishing, management, promotion, and related entertainment activities under the B Zone identity.

Sources1 sources

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