Formed in 1968 by Yutaka Higashi, the Tokyo Kid Brothers emerged as a pioneering force in Japan's avant-garde theater scene. Originating as a splinter group from Tenjo Sajiki, they blended experimental theater with rock music, creating immersive performances that challenged conventional norms. Their 1971 debut album, "Golden Bat," exemplifies their innovative fusion of psychedelic rock and theatrical storytelling. Notably, their 1970 performances at New York's La MaMa Experimental Theatre Club introduced international audiences to their unique artistry. Collaborations with artists like Hiro Yanagida further enriched their sound, solidifying their legacy in Japan's underground music and theater movements.