 Members of Group Ongaku included Takehisa Kosugi, Chieko Shiomi, Yasunao Tone, who were experimenting with tape recorders, noise music, and avant-garde performances in the early 1960s.She first met John Cage and Yoko Ono at Tokyo Bunka Hall in Ueno when he was on tour there in 1962.Yoko Ono was a dancer for Cage's concert tour through Japan in 1962.