Alva Noto / Ryuichi Sakamoto - Vrioon

Vrioon is the debut collaboration album between Ryuichi Sakamoto and Alva Noto, released in 2002. This is the first album in the Virus Series followed by four other records: Insen (2005), Revep (2006), utp_(2008), and Summvs (2011). The initial letters of the five albums together form the word "Virus".