Psy•S (sometimes written as "Psy-S" or "Psy S") was a popular Japanese band, formed in 1983 by Masaya Matsuura alongside female vocal powerhouse Chaka (a pseudonym used by Mami Yasunori). After Japanese hits and successes throughout the late 1980s and early 1990s, they disbanded in 1996. The musical style of Psy•S was an experimental mixture of electronic synthesizers, highly accomplished electric guitar riffs, and haunting, piercing vocals. For the uninitiated