ADACHI Tomomi, born in Kanazawa, Japan in 1972, is a performer, composer and critic. He studied philosophy and aesthetics at Waseda University in Tokyo. He has played improvised music with voice, live electronics and self-made instruments. He has composed works for his own group "Adachi Tomomi Royal Chorus" which is a punk-style choir. He has performed contemporary music: vocal and performance works by John Cage, Cornelius Cardew, Dieter Schnebel, Takahashi Yuji and Fluxus including world premier and Japan premier. He is only one performer of sound poetry in Japan. He has made sound installation and original instrument ("Tomomin", his hand made electric instrument is familiar with many musicians). In the field of theater music, he has collaborated with some experimental theaters and dancers. He started new project "VACA" with YAMADA Un; contemporary dancer, in 2000. "VACA" is exploring new relationship between dance/dancer and music/musician. He also had organized the concert series "About sounds or ears" for experimental music and sounds in various location as art gallery, theater and on the street 1994-1997 . From 1999 he started the new concert series "Music Factory" which picks up sound art, collaboration work and inter-disciplinary performances. He has performed with numerous musicians including Butch Morris, Jon Rose, Otomo Yoshihide, Chino Shuichi, Fujieda Mamoru, Yuko Nexus6 in Japan, United States and Europe. As a critic, he has written some articles of visual art, music and performance art on papers and magazines. He had participated in the art theory magazine "Method" 2000-2001. He started visual art (computer aided photograph and video) since 2003.