This might be challenging, but you can do it!

http://youtube.com/watch?v=-vYTbwyAC0Y
http://youtube.com/watch?v=eWnW7zGQ_0c
http://youtube.com/watch?v=btxIgHDmtDI

The first two seem to be by the same author, and the last by another. I've been told by someone that the last might be by Chemical Brothers. I'd appreciate any guesses, or, if you know the author and name of this song, please post away.