Nice :D
I was watching a Parkour video that where made nearby me and i founded out that many songs on youtube there some guys that use the song there being made on newgrounds :D But anyways i really like this song really amazing to train Parkour with :)
P.S. here is the video if you dont mind watching it with your own song :D http://www.youtube.com/watch?v=3Al6Iv mbVPQ&feature=channel_video_title