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)

"参加者50,000人！新鮮な驚き、不可思議な魅力"– an Ig Nobel Prize favorite moment

レ・トレ - "さよならを教えて" = Le 3 (Le Tre) - "Comment Te Dire Adieu"

松本こういち街頭演説　石原慎太郎代表応援演説

TRUTH OF COLLISION IN SENKAKU ISLANDS (DIAOYUTAI ISLANDS) 5 of 6