Have look at these, maybe there's something you would find fitting:
https://incompetech.filmmusic.io/topics/horror
They're mostly (maybe all) licensed under Creative Commons with Attribution. So you can use them for free if you credit the author.
Have look at these, maybe there's something you would find fitting:
https://incompetech.filmmusic.io/topics/horror
They're mostly (maybe all) licensed under Creative Commons with Attribution. So you can use them for free if you credit the author.