Goa trance / psy-trance / techno group, hailing from Hamburg, Germany and active since 1991.
X-Dream are Marcus Christopher Maichel (born May 1968) and Jan Müller (born February 1970); they are also known as Rough and Rush. They are some of the cult hit producers of psychedelic trance music and hail from Hamburg, Germany.
The latest X-Dream album, We Interface, includes vocals from American singer Ariel Electron.