Popular VOCALOID songs and their original versions

I made this video because I figured a lot of people may not know that some popular songs are actually covers/remixes etc. of their originals, so you can learn something from it! Praying YT doesn't block it because of copyright 🙏 Update: I made a goofy ahh thumbnail which honestly looked better in my head, but it's also not the worst. At least it's eye-catching