Valve Software published the soundtracks for their iconic Half-Life series on the most popular music streaming platforms. You can listen to them on Spotify, Apple Music or Tidal.
You can listen to them on Spotify.
That might be connected to the upcoming release of the VR game by Valve titled Half-Life: Alyx, with the side character from Half-Life 2, Alyx Vance, as the protagonist. Enjoy listening to the soundtracks while waiting for the premiere of the new game from the universe!