I have played with many different groups in the past, including the Osaka industrial group Weiches Loch, Finnish grindcore band Cut To Fit and sludge bands Taser and Usko, among many many many others. I also actively participate all kinds of loose improvisation groups in Japan, Korea and Taiwan.

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I enjoy music in its most untamed, purest form, without songs, freeflowing and wild and beautiful, so I have been helping giving shape for many bands in the beginning, and then went my own way when I see that the band wants to start to take shape. 

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I have also had two totally free form collaboration groups without any fixed members, there were called Käki in Finland and Ningenbonsai in Japan. 

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I also  most often collaborate with various butoh dancers.