What is this from?

[Maccaroney]

This is stuck in my head but i don't remember what it's from.
It's probably in a different key and i know the chords are wrong.

Thanks.

[Stepson]

i am not sure but i think its a background thing used in minecraft, not sure though

[Jonah]

https://www.youtube.com/watch?v=S-Xm7s9eGxU

[Maccaroney]

I completely forgot i posted this here. That's it, thanks!