We're suddenly very glad that teachers in our day had no real grasp of pop culture and were happy to stay that way.
This teacher who decided to introduce herself to her students for the year with a seven minute pop medley reworded to suit her requirements will actually make you want to crawl out of your own skin, through the floor and bury yourself underground until a nuclear/zombie apocalypse wipes out the human race and there's no chance anything like this will ever be repeated.
Via Reddit