Joel Nielsen - BMS - On a Rail 1

Joel Nielsen - BMS - Questionable Ethics 2

I did not make this it was made by Joel Nielsen on the black mesa team. All credit goes to them. 
-Black Mesa SoundTrack 09 Shadows of Death

I did not make this it was made by Joel Nielsen on the black mesa team. All credit goes to them. 
-Black Mesa SoundTrack 15 Border Worlds

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