Environmental Conference 2009 Autumn Issue, “Communication That Resonates with the Five Senses,” in round-table discussion format (Supplement to Senden Kaigi, September 2009).
“Tamaki Mitsuki’s Concert to Instantly Invite Happiness” (Yakult Hall)
“Poem Concert” (The House Shirokane)
Bonus CD accompanying a Tamaki Mizuki–related publication (natural sounds and music content)
International Trade Fair “Interior Lifestyle Exhibition 2008” (June 11–13): Time Signal and Music Production
Environmental Music Production for Tokyo’s “Tsukada Clinic”
Environmental Sound Design and Music Production for the “C’BON” Salon
Production of the accompanying CD for Mikazuki Tamaki’s CD Listening Diet (PHP Institute), a book introducing a new sonic dieting method that harmonizes mind and body, boosts metabolism, and supports natural weight loss simply by listening to specially designed audio.
Mikazuki Tama’s A CD Book That Deepens the Bond Between Mother and Baby Just by Listening (Sunmark Publishing) is a healing guide that uses sound and “Ki” to harmonize the minds and bodies of mother and child, nurturing connection and安心––with an accompanying CD produced by Takashi Kokubo.
A refreshing healing CD where forest soundscapes and music soothe the mind and ease stress and anxiety.
A healing CD + Blu-ray work featuring the forests and lakes of Finland, delivering relaxation through imagery and music.
An album designed to ease insomnia and shallow sleep through natural 1/f fluctuations captured by Takashi Kokubo.
A healing and invigorating album produced by Takashi Kokubo, integrating water sounds and the natural rhythm of 1/f fluctuations.
A collection of healing music themed around the cosmos. Takashi Kokubo’s transparent sound transforms an ordinary room into a quiet, luminous “sonic universe.”
A healing work that renders Japan’s archetypal landscapes in sound. Takashi Kokubo’s gentle sonic textures restore a sense of “quiet Japan” to the heart.
Miho Okai — “Fairyland ~Healing Orgel~” is a healing ambient work that invites the listener into a gentle “fairyland” through the quiet resonance of the music box. A refined sonic world that brings calm and spaciousness to the heart.
Produced by Takashi Kokubo, Little Cafe Style 1 —Cafe Latte delivers gentle café music that brings relaxation and small moments of happiness into everyday life.
“Poetry of the Earth,” Africa edition. Horizons, wildlife breath, flamingo swarms, nocturnal hyenas, and the pulse of the Maasai captured in 3D.
Environmental video content provided for the USEN BGV service
White Stone Gallery Ginza New Building — Clément Denis “In Search of Light” (Environmental Music), Tokyo, Ginza
“ORATIO ~ Prayer of the West, Prayer of the East” (Theater Music), Nerima Cultural Center, Tokyo
Research and film music composition for Yasuhiko Tsuchida’s film “Crossroads of Fate” (Magone).
Production and implementation of the Yokohama City sound logo.
Min-On performance “Flower ~ Blossoms of Resonating Cultures” — Opening Music (Video Music), Nakano Sunplaza Hall, Tokyo
Online mahjong game “Live Mahjong!” (Game Music)
Takashi Kokubo in charge of music for the stage production Bugei “ONIKIRI — Blade of Demon-Banishing”.
Produced the audio signage tones for JRA’s automated ticket vending machines.
The 1st ION Forest Retreat was held on November 11–12, 2025.
An additional live performance celebrating the release of GAIAPHILIA, the collaborative album by Yumiko Morioka & Takashi Kokubo
“Gaiaphilia” — Japan-Exclusive CD Release Party
“Tree of Life” — Takashi Kokubo & Naoki Tate Live at Manchin Saketen
2nd GAS Bon Odori Festival
Performed at the live event “Yorubon” at Gallery “Gasbon Metabolism”
Performing Van Gogh in Arles, Southern France! Takashi Kokubo Concert “Van Gogh and Arles”
In connection with the exhibition “Ryuichi Sakamoto Tribute — Music / Art / Media,” a live festival centered on Micro Ambient Music will be presented.
Ultra-Ancient Future Music “JOMON DIVA — Rite of Creation”
Release date: February 12, 2026 A sound environment designer reveals the secrets of sound for the first time.
NHK "Don’t sleep through life! "(Rebroadcast)“Why does the earthquake early warning on mobile phones sound like that?”
Asahi Shimbun GLOBE No. 292 (newspaper insert) — Contemporary Society Seen Through Sound
Asahi Shimbun (Web Edition):“Gyu-ee!” — The Master of Healing Sound Behind Japan’s Mobile Earthquake Early Warning Tone Reflects on the Relationship Between Society and Sound
Spatial Audio Production in a Log House Surrounded by Forest
Remote Live Appearance on “Lovely Day♡” (FM Yokohama 84.7) from Yamanashi Discussed the Yokohama sound logo.
“Yokohama’s sound logo completed — expressing the city’s brand image through sound” (Yokohama Keizai Shimbun)
NHK Don’t Sleep Through Life! — “Why does the earthquake early warning on mobile phones sound like that?”
Appearance on Hideki Matsutake’s Program “Logic Radio #150” (α-STATION / FM Kyoto)
