There are four artists known as SFX. The first is the pioneering goa trance group, later known as Astral Projection. The second was a the one-off collaboration that produced the Lemmings single. The third is an alias of Drik "Mike" Dierickx. The fourth is scottish solo artist Steven Foley. Astral Projection
Known as SFX between 1989 and 1994, Astral Projection released a couple of singles, one album and one compilation. The are considred one of the most influential artists in the trance genre.