Fans could argue that the video isn't the next-gen start up sound, and how it's all just speculation.
However, the captioning for the video specifically labels it as the "new Xbox sound", and the description for the video opens with "boot up a new episode".
Either Microsoft has made a mistake, captioning the video like this, or it's the sweet next-gen sound you'll hear every time you boot up your shiny Series X.
You can check it out in all of its glory below!
Is this enough for the Xbox Series X to take the lead in the console wars? Check out our article on the Xbox Series X vs PS5 for every little detail on the console wars so far!