What do you think about these tracks?

I am looking for some feedback on these specific tracks, if you don't mind. I made all of them using only free VSTs.

https://www.pond5.com/royalty-free-music/item/340959651-dreadful-feeling-scary-felt-piano-waltz-strings

https://www.pond5.com/royalty-free-music/item/329275250-cinematic-soundtrack-emotional-string-underscore

https://www.pond5.com/royalty-free-music/item/320038104-haunted-memories-scary-music-box-strings

https://www.pond5.com/royalty-free-music/item/337152345-melancholy-mood-sad-felt-piano-track

Thank you.