It’s quite possible that you need to be an American (United States variety) for this to be funny.  But, trust me, it’s pretty incredible.

Here’s the original.

https://www.youtube.com/watch?v=vwrybM6tL-8

Here’s the version by The Doors (aka Jimmy Fallon).

https://www.youtube.com/watch?v=eBRYsAfchkY