Immortal's Call of the Wintermoon is supposed to be a classic in this field.

https://www.youtube.com/watch?v=-VBdAY8eA9w

And there is also a "rap" video I can't watch the entirety of called "Why must I cry" by a "Reh Dogg". I can't think of any video worse than that one off hand. I won't link you. You must find it yourself.