Mono is a 2017 box set by Osamu Sato containing artwork and a CD. Only 5 copies were ever made.
The box was first sold at the All Things Must Be Equal exhibition for ¥80,000 (ca. $750).
1. Monaural 808 (Mono Mix) (0:59)
2. Piano 808 (Mono Mix) (4:35)
3. I Want You 808 (Extended Mono Mix) (3:54)