This is all great, thanks for uploading it. What about the "Xi" track?

Compilation 2

The Dark World [Black Mesa: Blue Shift Main Menu Theme]

no one else had this uploaded so here we go. enjoy.

Get The Game Here At http://store.steampowered.com/app/714070/agecheck

I did not make this it was made by Joel Nielsen on the black mesa team. All credit goes to them. 
-Black Mesa SoundTrack 01 Transcendent

I did not make this it was made by Joel Nielsen on the black mesa team. All credit goes to them. 
-Black Mesa SoundTrack 17 Interloper

I did not make this it was made by Joel Nielsen on the black mesa team. All credit goes to them. 
-Black Mesa SoundTrack 18 Catalyst

I did not make this it was made by Joel Nielsen on the black mesa team. All credit goes to them. 
-Black Mesa SoundTrack 20 Resonance

I did not make this it was made by Joel Nielsen on the black mesa team. All credit goes to them.
-Black Mesa SoundTrack 21 Ascension Reprise