Onkyo is a kind of improvised music that focuses on the contemplation of the sound as a physical phenomena with its physical characteristics instead of focusing on expressive power of playing. It was developed at the end of 90’s in Japan by trio of musicians Yoshihide Otomo, Sachiko M and Toshimaru Nakamura.
Some musicians intentionally limit the expressive power of their instruments to minimum (Sachiko M uses empty sampler, Yoshihide Otomo plays empty vinyls on turntables and Toshimaru Nakamura uses no-input mixing board), but Onkyo is essentially the matter of playing and sound that consequentially emerges from this kind of playing. Thus other Onkyo musicians - such as guitarists Taku Sugimoto and Tetuzi Akiyama - use traditional instruments as well.
Tried this last night, but I just couldn’t get into it— it did manage to make me bored enough to pull myself out of the moping I was concentrating really hard on accomplishing. Maybe I’ll try again later.