@Solid-One So it has to be changed to specific use that commit when trying to compile Zandronum and the solution to the Raspbian Stretch might just work. Let me give it a try and see what i can come up with.
@mitu I had downloaded them directly for free from aubry hodges (the composer) website when i got them. Now it appears he charges $12 for the psx doom soundtrack and $18 for the doom 64 soundtrack. He has 20 different soundtracks available on his site for various games he composed music for.