Recent issue of archve series of NHK electronic music studio. Some foreign composers visited and worked at NHK electronic music studio. The frst apperance was Karlheinz Stockhausen's “Telemusik” ('66) assisted by Hiroshi Shiotani, it's included in vol.1 of this CD series. In this new release, three works composed in 70s assisted by Tsutomu Kojima.

1. Jean Claude Eloy “Gaku-No Michi” (1978)
French composer Jean Claude Eloy visited Japan three times between 1977 and 1978 and spent a total of nearly seven months creating “Gaku-No Michi". This work was created using a wide variety of materials, including electronic sounds created by NHK electronic music equipment and concrete sounds collected by the composer/engineers based on his ideas and fieldwork. This is part of a larger work that lasted 6 hours, 5 minutes, and 4 seconds in total.

2. Frank W. Becker “Incursion” (1972) 
American composer Frank Becker spent 14 years in Japan, composing and performing experimental music with Toru Takemitsu, Joji Yuasa, Aki Takahashi, and Toshi Ichiyanagi. This piece of tape music was composed and completed between August and September 1972. Various materials were used, including nature sounds, the sound of a jet plane starting up, and the sound of bamboo and metal wind chimes.

3. Michael Ranta “Chanta Khat” (1974) 
This tape music by Michael Ranta who traveled to Laos during the lunar eclipse of early 1972, depicts the local villagers' highly emotional and instinctive reactions to the heavenly events of the day. As a percussionist, the American wanted to incorporate tai chi movements into the music, so he built an expander in the NHK Electronic Music Studio and incorporated slow movements into the music.