yo i want to figure out what the song that plays on https://www.youtube.com/watch?v=QTy2BxhBL0o

Not familiar to my ears... have you tried something as simple as Shazam'ing it?

it only works for famous songs i guess

by famous i mean commercial

I'm don't know what's this song.

Sorry, but this was found a long time ago and I forgot that I posted this here, it's this: https://modarchive.org/module.php?186026