Jūsangatsu no Mushi
Product brand
UnclaimedJapanese independent record label run by the band GEZAN, releasing albums by GEZAN, Discharming man, THE GUAYS, NUUAMM and others.
Last updated September 26, 2026
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Overview
Jūsangatsu no Mushi (十三月の甲虫, literally "Beetle of the Thirteenth Month") is a Japanese independent record label founded and run by the band GEZAN. The label's name is often shortened to Jūsangatsu (十三月). It operates from Tokyo and releases music primarily on CD and DVD, with a catalogue that includes albums by GEZAN itself as well as by affiliated acts such as Discharming man, THE GUAYS and NUUAMM. The label also runs an online shop (jsgm-online.stores.jp) and has reissued older titles and made its catalogue available on subscription streaming services. The label's releases carry catalogue numbers in the JSGM series. Among the documented releases are Discharming man's fourth album "POLE & AURORA" (JSGM-40, released 23 December 2020), THE GUAYS' third album "あきらめることをあきらめたんだ" (JSGM-39, released 28 October 2020), and the DVD "Last Language〜30hours drumming〜" (JSGM-38, released 7 October 2020). The label also issued an omnibus CD titled "日本解放" compiled by the Osaka venue Namba BEARS, and reissued five earlier titles from its catalogue on 24 June 2020, alongside making them available for subscription streaming. Beyond recorded music, Jūsangatsu no Mushi has been involved in cultural projects. In May 2020, during the COVID-19 pandemic, the label opened a farm (十三月農園) on the rooftop of Ebisu Liquidroom in Tokyo, and marked the occasion with a 30-hour drum marathon by Ishiwara Rosukaru, filmed and released as the DVD "Last Language". The label has also been associated with film, with GEZAN contributing music to the 2020 film "破壊の日" (Hakai no Hi). As an independent label closely tied to GEZAN, Jūsangatsu no Mushi functions as a vehicle for the band's own releases and for a circle of like-minded artists in the Japanese alternative and psychedelic music scene. It is a private, non-listed entity.
History
Jūsangatsu no Mushi (十三月の甲虫) is a Japanese independent record label founded and run by the band GEZAN. The label's name, which translates roughly as "Beetle of the Thirteenth Month", is often shortened to Jūsangatsu (十三月). It is based in Tokyo and operates as a private, non-listed entity. The label's documented catalogue is organised under the JSGM numbering series. Releases include albums by GEZAN, such as 'NEVER END ROLL' (2016) and 'Silence Will Speak' (2018), as well as records by affiliated acts. Among the label's 2020 releases were Discharming man's fourth album 'POLE & AURORA' (JSGM-40, 23 December 2020), THE GUAYS' third album 'あきらめることをあきらめたんだ' (JSGM-39, 28 October 2020), and the DVD 'Last Language〜30hours drumming〜' (JSGM-38, 7 October 2020). In May 2020, as the COVID-19 pandemic spread and self-isolation measures were in place, the label opened a farm (十三月農園) on the rooftop of Ebisu Liquidroom in Tokyo. To commemorate this, Ishiwara Rosukaru undertook a 30-hour drum marathon, which was filmed and released as the DVD 'Last Language'. The DVD includes a session with Odotte Bakari no Kuni against a backdrop of the sea, and a GEZAN live performance that concluded the 30 hours. On 24 June 2020, the label announced the national release of the Namba BEARS omnibus CD '日本解放', the reissue of five past Jūsangatsu titles, and the launch of its catalogue on subscription streaming services. The label also runs an online shop at jsgm-online.stores.jp, where limited bundles such as the 'Last Language' DVD plus T-shirt set (limited to 100 sets) were sold. The label has also been connected to film: GEZAN contributed music to the 2020 film '破壊の日' (Hakai no Hi), released on 24 July 2020. Through these activities, Jūsangatsu no Mushi functions as both a record label and a broader creative platform for GEZAN and its circle of artists in the Japanese alternative and psychedelic music scene.
GEZAN album 'NEVER END ROLL' released on the label
GEZAN album 'Silence Will Speak' released on the label
Jūsangatsu Farm opened on the rooftop of Ebisu Liquidroom; 30-hour drum marathon by Ishiwara Rosukaru
Namba BEARS omnibus '日本解放' released nationally; five past titles reissued; catalogue made available on subscription streaming
Film '破壊の日' released with GEZAN contributing music
DVD 'Last Language〜30hours drumming〜' (JSGM-38) released
THE GUAYS 3rd album 'あきらめることをあきらめたんだ' (JSGM-39) released
Discharming man 4th album 'POLE & AURORA' (JSGM-40) released
Products and positioning
Independent Japanese record label and creative platform centred on GEZAN and its affiliated alternative/psychedelic music circle.
Discharming man – 'POLE & AURORA' (4th album, JSGM-40)
THE GUAYS – 'あきらめることをあきらめたんだ' (3rd album, JSGM-39)
DVD 'Last Language〜30hours drumming〜' (JSGM-38)
Namba BEARS omnibus '日本解放'
GEZAN – 'Silence Will Speak'
GEZAN – 'NEVER END ROLL'
NUUAMM – 'NUUAMM'
NUUAMM – 'w/ave'
Sources3 sources
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