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XBS of NITRO MICROPHONE UNDERGROUND will release his EP FRACTAL Reflections of Nature on March 27, 2026. On this project, he looks back on his life and values, shaping music that can only be expressed by who he is today.
The EP title FRACTAL refers to self similarity, a concept often found in nature where the same structure appears even when magnified. Inspired by this idea, the work expresses through music the flows and structures that also connect life and human relationships. The core concept of the project lies in layering personal experiences with a broader connection to the world at large.
The compositions are by Uyama Hiroto, who has contributed to many artists works. Expansive, nature evoking beats and beautiful piano melodies blend with XBS deep toned rap, bringing the soundscape of the project into sharper focus.
XBS is a member of the Japanese hip hop group NITRO MICROPHONE UNDERGROUND. As his name Extra Bass Speaker suggests, he has built his career since the late 1990s as a rapper known for his deep low range voice and tight rhyming style. In the 2000s, he also became widely known as one of the founders of the street brand NITRAID, collaborating with major sports brands such as NIKE and Jordan Brand, and establishing himself as a symbolic figure in Japanese street culture. His creative activities have since expanded beyond music into fashion and photography. In 2025, he held his first solo photography exhibition titled FRACTAL, marking a new phase in his artistic journey. From 2026, he assumed the position of principal of Mother Goose Jingu-mae Nursery School, gaining attention as the rapper principal. By bringing the sensibilities and perspectives cultivated in the cultural scene into the field of education, he continues to pursue new challenges that bridge expression and child development. He is one of the indispensable figures in the history of Japanese street culture.
ジャズギタリストでもあった叔父の影響で、幼少の頃から音楽に慣れ親しむ。「Letter From Yokosuka」をきっかけに多くのnujabes作品に携わり、数々のライブを共にしてきた。2008年には自身の1stアルバムとなる「A Son Of The Sun」をリリース。2010年のnujabesの他界後、「Luv(sic)シリーズ」や「spiritual state」等の制作に携わり、アーティストとしても参加。その後2013年に純度の高い音楽をさらに目指すために、roph recordingsを立ち上げる。2014年には前作から6年ぶりとなる2ndアルバム「freedom of the son」をリリース。hydeout productions時代から親交のあるCise StarやPase Rock、Fat Jonなどがfeaturingとして参加する他、1stアルバムからの続編とも言える楽曲を表現した。また2016年には2ndアルバムから2年ぶり3枚目となるアルバム「freeform jazz」を発表。日本人としてのアイデンティティーを強く押し出し、新たなJapanese Free Jazzの提案として今までの作品とは一線を画す内容となり、その独創性からも海外のHYPEBEASTに取り上げられるなど、日本人はもとより海外のリスナーからも多くの素晴らしい評価を得ることとなった。現在も新たなアルバムに向けて楽曲制作を進行中である。
INSENSE MUSIC WORKS INC.