Done in 0CC-Famitracker 0.3.11r1, with Konami VRC6 expansion. The song is tuned down from A440 by a quarter-semitone.
Writing a spooky song was a fun experiment, never really done anything in this vein before. This definitely isn't true horrorcore but I hope it's spooky enough for everyone!
Halloween happy in 1/11
FTM Donload! https://www.dropbox.com/s/u8jdzs3ix2auyuo/2spooky.ftm?dl=1
TheoryTabs which I used to prototype this: