From this youtube video right here, because I don't think it's a stand-alone mod.
https://www.youtube.com/watch?v=K-QTPD321D0
FLP: https://www.mediafire.com/file/dh4mnfgdvleuevs/Haha_f%2Ack_you_I_put_ott_on_master.zip/file

Freeze Tag but R2 and Cham sing it

From the 5Rubles FNF mod.
gamebanana.com/mods/600782
FLP: https://www.mediafire.com/file/oupvr29x7fc71gu/matematika_flp.zip/file

Matematika but Bakeyy, Cham, R2 and Moose sing it

From the Friday Night Dustin' FNF mod
gamejolt.com/games/fridaynightdustinFULL/1012008
FLP: https://drive.google.com/drive/u/1/folders/14Jv94qjuzK81_sTLCI-LI4FRPTkTYx8M

Heatwave but c00lkidd, Mafioso and DIVADAYO sing it

From the Mario Madness FNF mod.
https://gamebanana.com/mods/359554
https://drive.google.com/file/d/1f4rq9DRsRjgx78rzMEE66b5nC_ryfSJR/view

All Stars but Moose, R2 and the CCCCC sing it

From the Vs Rewrite Round 2 FNF mod.
https://gamebanana.com/mods/599931
FLP: https://drive.google.com/file/d/1ei5eJz7MX3IJwdqEHaUkfQlKabpOw-8X/view

Trinity Encore but Taunt Civilian survives One Bounce

From the Friday Night Dustin' FNF mod
gamejolt.com/games/fridaynightdustinFULL/1012008
FLP: https://gamebanana.com/tools/20710

Thermal Shock but Dusekkar, TwoTime and Azure sing it

From the Walten Files FNF mod
https://gamebanana.com/mods/614505
FLP: https://drive.google.com/file/d/11QJg-Jw1iex-85w07zFbYhCsE1JwVJ8q/view

Brutalized but Guest666 and Noob sing it

From the Analog Funkin FNF mod
https://gamejolt.com/games/analogfunkin/928966
FLP: https://drive.google.com/drive/u/0/folders/1mVb3gdJ1wIZQ5irrJCZZmvfifhHt_As8

Broadcast but JX1 and IHasAFaceLULZ sing it

From the Graffiti Groovin' FNF mod.
https://gamebanana.com/mods/409366
FLP: https://drive.usercontent.google.com/download?id=1LiKrMgxNLBtuy6yEi66LTL-7mVNenuvm&export=download&authuser=0

Trickmas but Moose, Dynamite and Gleq sing it

From the Graffiti Groovin' FNF mod.
gamebanana.com/mods/409366
FLP: https://drive.google.com/drive/folders/19N6j0HLYjST4twTUipdCTNYmSi-wUJWp

Sinister but Chel and Goob sing against Gleq and Hreen

R2-1346