My best friend from utaforum, who had helped me oto my first voicebank so long ago.
"Something's going on with my UTAU's voicebAnK..! oh gosH OH GOSH heLP!!!" was the first thing she sent.
The next thing she sent was...
So a long time ago, I set a weird flag as the default and it was causing my UTAUs to make a weird staticky sound. (It's probably basic level knowledge not to copy/paste random flags from the internet, but I was young and oblivious) I can clear it by selecting the notes and pressing "Properties"...