I tested it in 4 different SID players (SIDPlay 2.6, Foobar SID plugin, and jsidplay on Windows, and SIDplay64 running in the VICE x64sc emulator) and got the same result in all of them, except for SIDPlay64 where it crashed the emulated machine.
Well, I've made a couple of test tracks and a few unfinished collab tracks with C64 but this is my first complete C64 track that I've made in Deflemask that I am decently happy with. It's a bit on the short side and I am far from a master at this but I think what is here is at least a fun listen. I hope you guys like it for what it is. Thanks for checking it out :).
Here's a soundcloud link:
Update! The awesome MovieMovies1 has taken it upon himself to port my tune to Goattracker so that the sid can be properly heard. I have replaced it. Thank you sir. You guys are cool :D.