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i think the answer is "no", but there are other options.
The soundtrack is also available on Spotify!

Just search for "Overload Soundtrack"
I bought it on cdbaby, but it's a bit silly for GOG to be a "second class citizen" again.
Commenting here just to say, when they discount the Collectors Edition on Steam, they get to get the game, community DLC, and soundtrack for the price we pay for the game alone.

Just sayin'.