RCA Victor VX-81 (LP)

Orchestral Space 1966

György Ligeti: Atmosphères (1961)
Iannis Xenakis: Stratégie? (1956-62)
John Cage: The Wonderful Widow of Eighteen Springs (1942)
Roger Reynolds: Ambages (1964)
Motohiko Adachi: Concerto Grosso for String Orchestra (1965)

Performers:
Ligeti: Yomiuri Nippon Symphony Ochestra. Seiji Ozawa, conductor
Xenakis: Yomiuri Nippon Symphony Ochestra. Seiji Ozawa, Hiroshi Wakasugi, conductors
Cage: Mutsumi Masuda, soprano. Hiroshi Wakasugi, piano
Reynolds: Ryu Noguchi, flute
Adachi: Yomiuri Nippon Symphony Ochestra. Hiroshi Wakasugi, conductor

Recorded May 1, 2 and 4, 1966 at the Hinase Theatre, Tokyo, Japan
This release in uncertain. The serial number appears on the Japanese website of Tower Records (see link below).
LP initially released on LP in 1967: RCA Victor SJV-1513
LP re-released on CD in 2006: Tower Records - Victor - Heritage Collection NCS-545
LP released in 1972

Sources: New Albion Discography. Paul van Emmerik: Diskographie in "John Cage - Musik-Konzepte Sonderband II". The Resource Center for Japanes Music website. Tower Records website