The Keeper [Black Mesa: Blue Shift OST]

Joel Nielsen - BMS - Blast Pit 2 (Mesa Remix)

Joel Nielsen - BMS - Blast Pit 2

Joel Nielsen - BMS - On a Rail 1

Joel Nielsen - BMS - Power Up

Collided [Black Mesa: Blue Shift OST]

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

soundtrack is a part of the soundtrack that collects music written and composed by composers to accompany particular moments in the film. All tracks of a soundtrack are original, that is, composed in exclusive function of the film.

baciata dal sole

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

Black Mesa Xen SoundTrack 09 Shadows of Death Joel Nielsen

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

Black Mesa Xen Soundtrack 01 Transcendent Joel Nielsen

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

Joel Nielsen - BMS - Blast Pit 2

Black Mesa (Official)