(Not sure if the subject is proper English, feel free to correct me please).
Official music videos don't count.
Song used: Papa J — Serengeti Bliss
Song used: Awolnation — Sail
[youtube=http://www.youtube.com/watch?v=JGB0bFOEp9s]President of Chuvashia dancing[/youtube]
Song used: 2-4 Grooves — Writing on the Wall
(which is a remix of John Parr's St. Elmo's Fire)