Double-click flag so that the music syncs! You can replace characters by going into their costumes and replacing the poses with your characters' poses. You can also change some of the animation code if you want it to look different. You can also change the note skin of each arrow set now
Rip the original bg, you can still see it in the backdrop if you want to. Warning though, its really graphic. Kapow from Flippy: FULL METAL