Originally released as analog discs: Polydor International, p1969 (1st work) and p1977 (2nd work). ADD; "original-image bit-processing"--Container. Compact disc (ADD). Recorded Sept. 1968, Berlin, Jesus-Christus-Kirche (1st work); Dec. 1975, Dec. 1976, Jan. 1977, Berlin, Philharmonie (2nd work). Berliner Philharmoniker ; Herbert von Karajan, conductor. Program notesin English, with German and French translations, (11 p.) inserted in container.