If I remember correctly, it was ZUN- Dark Side of Fate. But I'm not sure if I first played this, Ikenai Taiyuo by Orange Range or the Nightcore Mix of You are a Pirate...
Need mods? I'm available for mod4mod. Unless the map you want modded is either Yousei teikoku, karen or denkare cuz then i'll gladly do it without asking for a mod.