Ultra‑Sonic, a Scottish electronic music group from Ayrshire, formed in 1991,
and was known for its hardcore techno sound. The group’s breakthrough came with
the 1992 single "Obsession" and the 1993 releases "The Pulse" and "Arpeggio",
which established their presence on underground playlists. In 1994, they
released the album Tekno Junkies '92-'94, followed by Global Tekno and the EP
Check Your Head in 1994. Subsequent releases include The Hour Of Chaos (1998)
and the single "Give Me What You've Got". Post‑2003, Ultra‑Sonic issued
compilation titles The Best Of (2003) and Best Of...