update: I tried with all my songs and yes I know it doesn't work with every song. I just think it works if you play the song on time or it works with some sort of upbeat song. But yea, it doesn't work perfectly like you would expect.
Best Teacher Ever. hahaha this is probably something I would do if I was a teacher, and u would just be like, "so not really feeling the hole teaching school thing, so im gonna teach you how to hav a life, plz leave and hav a nice day.