Matsumoto Akinori
Born in 1951. He has been creating sound-tool / sound objects since 1980s and presented them which make sound by themselves at museums and outdoors. As a wonder artist, Matsumoto uses bamboo as a primary material for his works and makes use of electricity, human power and natural energies such as wind and water to play his sound objects.

Matsumoto Michiko
Borin in 1973. Developed schizophrenia in 2000. Joined Studio Cooca in 2010 and encountered innocent people who easily came closer to her beyond the wall she built around herself. Such encounter enabled her to relax and draw. She was given a beloved pet cat, Hoppe from JSPCA in 2011. Participated in Art Fair Tokyo in 2015. She has been engaging with range of projects since then.