composed by Akifumi Nakajima
Each cassette is packaged in an individual cassette shell with double layer cover incorporating a color photograph.

A and B are the soundtrack tape from the installation Water 1991 by Arichi+Sasaoka at Gallery Surge 1991 · 4 · 1-13.

C and D are the soundtrack tape from the installation Water 1991 by Arichi+Sasaoka at Art Gallery Seibu Department Store 1991 · 4 · 1-13.

Numbered edition of 30 copies.