So I looked around youtube, And I found an underrated mod that is REALLY GOOD, And It has some really good soundtrack. I personally like it.
And since its so underrated, No one uploaded a 'OST' Video or Track anywhere, So might as well be the first to do it.
And Now, Credits where its deserved.
The audio was directly cropped from this video: 
https://www.youtube.com/watch?v=n4Uc3S1Q3AM&t=334s&ab_channel=CommunityGame
The mod link:
https://gamebanana.com/mods/325327
Dmagogari - art, animation, programmer, planner:
https://gamebanana.com/members/1878770
Ricethief - Voices track, Inst track:
https://gamebanana.com/mods/325327
They did a good job honestly, I like it! 
So yea, that's about it. 
Oh, and if the creators of the mod or the youtube creator wants this to be taken down? I'll do so, fine by me.
I simply wanna share this underrated mod honestly, and give it a bit more attention.

Arronition - FNF VS Zombie High School OST

Official SoundCloud post for Lazer from the YTP INVASION FNF mod!
This week features Dr. Octogonapus from The Lazer Collection!
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Check out the mod here! - https://gamebanana.com/mods/338983
Song composed by me
Artwork by PSL3 and Stash Club
Heavily based on "Hell Above Water" by Curve
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Downloads are available for the HQ version!

Lazer - Friday Night Funkin': YTP INVASION

Credits to Furscorns for the cover: https://youtu.be/S7zPC8kty5Y

FNF ONLINE VS. - Challeng-EXE (Challeng-EDD feat. Sunky.mpeg, Sanic.EXE, and Sonic.EXE)

fnf vs nermal; nermal gay remix

All Credit Goes To: (spres) on YouTube
Title kept the same, no changes to it
Cover on Funkipedia Mods Wiki
Uploader: Me :/

FNF - Frostbite but Every Turn a Different Cover Is Used 🎶(FNF Everyone Sings Frostbite)

{One more song, Sonic.OMT}

FNF Smile Remix (SNS 2.5-(BY Orange-Cyber)

Presentless Fox V2 (Christmas Mix) - (FNF Tails Gets Trolled OST)

(Scrapped) Childs Play V2 -FNF- Pibby Apocalypse

Losing Track Of Time

Remix vom Song "Irgendwie" von ArniTheSavage und Schillah

Irgendwie (Rot Fünf Remix)

I'm an Composer and An Artist 
Male?
13 years old (dont even    a   s  k)
working in 5 FNF Mods

FNF Smile Remix (SNS 2.5-(BY Orange-Cyber)

ZeroDaRealGuy