The Apryl Fool’s self-titled album Apryl Fool (1969) is a singular psychedelic rock record born from the collaboration between Japanese musicians Hiro Yanagida and Takashi Matsumoto and American producer Gary Walker. The album fuses West Coast psychedelia with baroque pop, orchestral arrangements, and subtle Eastern melodic sensibilities, creating a richly textured and cosmopolitan sound that stood apart from both mainstream American psych and contemporary Japanese rock. Though commercially overlooked and short-lived as a project, Apryl Fool was later recognized as one of the earliest and most sophisticated examples of Japanese albums engaging directly with the global psychedelic movement, foreshadowing the more expansive and progressive directions that Japanese rock would have explored in the 1970s.