The announcement of Chaos Gate: Daemonhunters was a surprise to many when it was revealed during a Games Workshop event. The first Chaos Gate was released back in 1998, before the 3rd edition of Warhammer 40 000 was released, and the lore and mechanics were very different back then. The game still became beloved among hardcore fans, and the new sequel has a lot to live up to.
While many are excited to see what the gameplay has to offer in this game that will see the Grey Knights fighting the forces of Nurgle, there is something important that the game needs. If Chaos Gate: Daemonhunters is to succeed, it needs to have an amazing soundtrack that lives up to the soundtrack of the first title. This may not seem as important to many, but the first Chaos Gate had a soundtrack that stands among the best of any Warhammer video game.
The soundtrack of Chaos Gate is still beloved to this day, with many such as 40K Theories and Bruva Alfabusa using pieces of it in their work. The iconic Ultramarine chant has become well known in the fandom along with the Word Bearers chant, and many new fans are not even aware of the game the music originated in. Given the reputation of the amazing soundtrack of Chaos Gate, Chaos Gate: Daemonhunters must top that game in every way.
To give an example of the amazing soundtrack, I would suggest listening to these:
The Ultramarine and Word Bearers chants
These tracks are heard constantly in fan works and official productions and have lived on past the semi obscurity the first Chaos Gate fell into. If the Chaos Gate brand is being used, this comes with expectations in more than just gameplay, but also in terms of presentation. The teaser trailer had amazing production values, which called to mind the Astartes series (whose creator now works with Games Workshop) and grabbed attention immediately. If the developers continue with the amazing presentation they promised, then the soundtrack is the next logical step.
The Grey Knights do not have music associated with them, and this is a great opportunity to give them a defining sound that emphasizes their purity and zeal. Likewise, the forces of Nurgle could be given music that shows off their corruption and sense of decay. With how important presentation is to a 40K game, this is something the developers cannot lose sight of.