Well, I would say that they just fucking ruined a mod.
Context: In short, the build of the FnF V.s Sonic.Exe mod was leaked and among the files, there is this wonderful song (that makes it ruin the hype, but it doesn't matter anymore)
If you want a spoiler for this mod, and you want to ruin your expectations, this friend has a few leaks about it:
https://youtu.be/v-6lfWrvhk4
Friday Night Funkin' Vs. Sonic.Exe
friday night funkin' v.s sonic.exe
Fight or Flight
fight or flight
teaser slowed
Teaser Slowed