How Many Walk Among Us? The Song?

I had posted my poem on Reddit, asking for a critique, and much to my surprise, someone composed a song for piano and vocal for my poem. Below is the link to the song. Enjoy!

https://soundcloud.com/kazuwel/how-many-walk-among-us-rexignis666

And here's a link to the poem/lyrics

https://www.pickenspast.com/post/how-many-walk-among-us