Such a beautiful animation and song, not unsinable though
The animation is by WarpOut: https://www.youtube.com/watch?v=i7PQ9IO-7fU
The original song by ponyphonic: https://www.youtube.com/watch?v=H4tyvJJzSDk
WarpOut's channel: https://www.youtube.com/user/WarpOut
ponyphonic's channel: https://www.youtube.com/channel/UC6YtncLGAUD-AVqAAL1k-WQ

My new motto is "The Pony Fandom is never without sin"
but of course don't take it seriously. I guess I'm just a jerk that likes nitpicking fan works.

The characters mentioned belong to Hasbro of which I am not associated with.