Kousokuya (光束夜, Kōsokuya) is a Japanese dark psychedelic rock band.
This rock outfit, founded by guitarist Jutok Kaneko in the late 1970s, has released only a handful of recordings internationally, and scant more in their local Tokyo underground scene.
The classic trio line-up that recorded the first album, and reformed in recent years was: Other members: Interview.
ISBN 2-9515644-0-6 Kosakai, F. "金子寿徳：彼方の柱廊を逍遥する旅についての末完の調書" (Jutok Kaneko: An Incomplete Record of an Ambulatory Journey Down a Distant Colonnade).
Liner-notes for Jutok Kaneko, Endless Ruins CD (PSF, 2001) (Japanese, contains a valuable, detailed history of Kousokuya) Kosakai, F. "Kaneko Jutok - The Year Spent with Ray-Night".