The HU likely charted because of their inclusion in the OST of a game by EA - Star Wars Jedi: Fallen Order. I was pleasantly surprised to see them start promine

The HU likely charted because of their inclusion in the OST of a game by EA - Star Wars Jedi: Fallen Order. I was pleasantly surprised to see them start prominently in the opening of that game! Doom Eternal, for the record, also had some Mongolian throat singing from the late vocalist of Tengger Cavalry.