I have the CD single, I never really noticed any similarities between the two though I just took another listen right there and I can see a resembelance in them, not huge, just a little. Amazing tune, I just love the bassline and the synth of old Signum. I also like teh Quake Remake and the 'I.B.I.Z.A' Mix of this tune.

Astral Inc - Remember (Green Court Mix) - I think this tune sounds a little like Gouryella.

And

Green Court - Moonflight - Sounds very like System F - Out Of The Blue, have you heard this? Still a really good tune though, I much prefer this over the new Green Court stuff.

Denzil & Dwayne - Force Of Habit (Armin Van Buuren's Rising Star Remix)..........this also sounds alot like 'system f - out of the blue' check it out............still a good tune though!!!!!!

To be perfectly honest I hear nothing similar whatsoever, to me this just typifies the signum 'sound' that we grew accustomed to in 1999, I miss it , catchy stabby synths