Meet Koichi Matsumoto

Soul Bossa Trio-Hope(Gonzalez suzuki-Koichi Matsumoto-Monday Michiru-Sonya Vallet-Genta　Takahashi)

Urban Dance - "A Moment's Pleasure" (Original English Demo Take - Lead Vocal by Koichi Matsumoto)

Inside Tenga: The No.1 Sex Toy Company In Japan | ASIAN BOSS

Minimal & Deep Tech House DJ Mix in Love. Peace & Soul @ MUSE (Osaka Japan) 2024.Nov.9 (Sat.)

Ko-ichi 愛燦燦 cover

"50,000 Is a Big Surprise and Mystery"– an Ig Nobel Prize favorite moment