Disc I
01. Duo 1987
02. 26 September 1987

Disc II
01. 19 June 1988 Part 1
02. 19 June 1988 Part 2

Disc III
01. 25 June 1988
02. 27 August 1988

Disc IV
01. 25 June 1988 A
02. Duo 1988 Penta 2

Disc V
01. 9 October 1989 Part 1
02. 9 October 1989 Part 2
03. 9 October 1989 Part 3

Disc VI
01. 1 May 1988 B
02. 15 September 1989

Disc VII
01. 16 April 1989 Part 1
02. 16 April 1989 Part 2

Disc VIII
01. 1 May 1988 A
02. Duo 1988 Penta Part 3

Disc IX
01. 15 September 1989 B
02. Penta 1988 A

Disc X
01. 20 September 1987
02. 28 February 1988

Additional info
Recordings from Masami Akita and Kiyoshi Mizutani (Duo sessions) from the 87-89 era and some earliest recordings released in the year 1979.
Both play the same instruments such as metal box with piano wire and feedback audio mixer which were built for these recordings.