does anybody know what these tracks are from this doom mod

[haruko haruhara]

this very obscure doom mod called serious sam the ultimate encounter has like the best ost i ever heard but this wad is made with oblige level maker so its not that impressive but i need to know who made these awesome tracks

 

 

https://www.youtube.com/watch?v=-yMsN_OSJiw

https://www.youtube.com/watch?v=-qtDs9wdXiE

 

 

link for the mod

https://www.mediafire.com/file/r1yq9tt148215cc/ssmod.7z/file

[Gez]

My first thought would be they'd taken from some Serious Sam game(s)...