I heard that the appeal system is still pretty new, so there may be some bugs. So you may need to contact a moderator.
First, review the audio guidelines:
https://www.newgrounds.com/wiki/help-information/terms-of-use/audio-guidelines
If you are sure that you didn't violate the guidelines, then an audio mod could help you out.
guyfromKillerRAT
okay, PM me with an NG dumping grounds link to the file of your song and I'll be the judge of that.