A fusion of trance, techno, and industrial rhythms with Gregorian-style chanting and classical orchestration.

The title is Latin for "joy" or "happiness". However, the lyrics often contrast this positive sentiment with darker, more existential or spiritual imagery: Aure - Musik zwischen Himmel und Erde: Amazon.co.uk

It features a mix of Latin choral vocals and spoken German narration. The project often utilized famous German "synchronis" (dubbing) speakers—the voices typically used for Hollywood actors in Germany—to provide a cinematic, authoritative tone to their tracks.