thomas, 
Release the Long Ships - Holocene
https://song.link/s/6ogRO41AM6tq1DCyDSIhGM
When I heard it for the first time I was surprised because the melody was very familiar to me! I knew it from "In Extremo - Herr Mannelig"
https://song.link/s/4zRAvChrgH2AXdV93mYZr7
After some research I learned that the melody is an old Swedish folk ballad. 😲