There seems to be more than one artist named Silvia. 1) The German singer Silvia released a self titled album in 1982. The musical style is NDW (neue deutsche Welle" - "new german wave") in addition to minimalistic electro sounds. 2) The trance artist Silvia is more of an underground music maker. She composes most of her music using a YAMAHA keyboard and a few music programs, and composes both orchestral music as well as trance/techno. Her most popular pieces are her Vertex series: Vertex ALPHA, Vertex BETA, Vertex GAMMA, and the most recent one, Vertex DELTA.