After applying the mobile app, Shazam during a preview to History Channel's Vikings, I was able to discover this raw, edgy song.
Upon digital purchase of Glory & Gore you are drawn into its darkness in melody. The minor key tonality and the tempo being so subtle, gives the feeling of slow motion in a time of distress. Very accommodating to be featured as the preview to Vikings as it evokes war as a necessity towards survival.
The first verse warns of maintaining strategy in the face of danger. "...We're slipping off the course that we prepared, but in all chaos there is calculation."
One wouldn't think much of a pop song inducing such psychological intimidation with a track like this. But if a fighter of the ring or octagon could choose his/her entrance song, none could be better than Glory & Gore. "Now we're in the ring, and we're coming for blood."
I've come across some articles and interviews of armed service members who use music as motivation when faced with difficult situations and confrontation. Much of the music selected is heavy metal, and understandable as it fuels the adrenaline. Lorde's track is no different. As mentioned, it is a powerful song that is absorbed through ones mind and releases courage and passion throughout the body and soul.
"Either write something worth reading or do something worth writing."
"Hey Ho, Let's Go"