Welp, these songs aren't on Youtube, so I can't link to them individually. Gah, I"ll just link to the entire album on Bandcamp. Scroll to the bottom of the page, and click play on the first song. It'll play the entire album. It's only four songs, but it's fantastic.
Iteru - Ars Moriendi
https://helterskelterproductions.bandcamp.com/album/ars-moriendi