Stepmania 5: Ultra Heaven (Super Monkey Ball Banana Blitz) 

Yes I did use a friggin wallpaper of a sunset sky photograph.
There is nothing anywhere upward from 500x in terms of resoluion when it comes to screenshots of the game, so I might aswell go with the next best option.
Link to the background image used: whvn.cc/120629
Download Link: mega.nz/#!ytJC...