For those wondering why this sounds familiar and for those wishing it was a DDR song, a stepfile for a game called Stepmania was made with this song. It was part of one of the first song packs, Stepmix 1.0.
It took me a while after hearing another song to realize why the name ParagonX9 seemed familiar. When I found this one I instantly recognized the title. Amazing work and even better as a stepfile. It's no surprise this song is still getting so much attention, even years later.