Xerxes is a name of at least three acts: 1) A pseudonym of Norwegian producer Klaus Lunde.
2) A hardcore punk band from Louisville, Kentucky.
3) A prog metal band from Switzerland. 1) A pseudonym of Klaus Lunde (b. 1973, in South Norway). In 1987 (at fourteen), he started producing music using an Amiga 500. In 1996, after various experimental / compositional phases, he arrived at his own style. Since then, Klaus has spent most of his time developing this sound.