From last.fm:

Visions of Atlantis is an Austrian symphonic power metal band that formed in Styria, Austria in 2000. The band currently consists of Siegfried Samer (male vocals), Chris Kamper (keyboards, synthesizer), Michael Koren (bass), Werner Fiedler (guitars), Thomas Caser (drums), and Clémentine Delauney (female vocals) The original line-up consisted of Nicole Bogner (female vocals), Christian Stani (male vocals), Werner Fiedler (guitars), Mike Koren (bass), Chris Kamper (keyboards), and Thomas Caser (drums). Read more on Last.fm