3 techno tracks from 1999 need id'ing

[rich.c]

Hi all, can anyone help me id these 3 techno tracks?

1] im after the track at 6.30 minutes in this clip
DJ MARK E.G. - HARDCORE HEAVEN PRESENTS SPACE-1999 PART 2 - YouTube (http://www.youtube.com/watch?v=J6ayVKhbntE)

2] the tracks at 5 minutes in this clip
MARK E.G @HELTER SKELTER THE FINAL COUNDOWN TO THE MILLENIUM 98 99 PART2 - YouTube (http://www.youtube.com/watch?v=K3fbDnYmVGo)

3] the track in this clip
MARK EG HS LOST IN MUSIC PART 4 TRACK I D PLEASE - YouTube (http://www.youtube.com/watch?v=Ee0l2C2pMLA)

cheers, rich