Check out Carcass, Cliteater, Jig-Ai, Go-Zen, Dismember, Death's "Scream Bloody Gore", and some of early Obituary.
Here's a site I found literally by accident, while searching for Sabaton stuff (which is not what the site is really about at all lol). Tons of Guro music in one place...
icp in my room
It's about a dude who sees a ghost girl and her tongue tastes like bacon when they make out, she get scared and he has to kill a famil next door. It's my number one favorite song by them.https://www.youtube.com/watch?v=xpnxKn5MUQ8