Background music for Series X/S Home Screen

At this time, dynamic backgrounds are only available on the Series S/X and can't be customized. If the video you saw was done on a One, then the person doing it is doing something that violates the terms of service.

If you are on a Series S/X, when you go to settings and change your background, there's a section for dynamic backgrounds.

No. It's a dynamic background which is only available on the Series S/X

You can use a custom image for your background on Xbox. More info here https://support.xbox.com/en-US/help/account-profile/customize-xbox-home/change-xbox-one-background this support page will also work for Series X|S consoles too.

To refresh the home screen, you can simply press on the Xbox button; then highlight home, press on the menu button. Then press on Refresh

You can check this if you don't know the button's name Get to know your Xbox Series X|S Wireless Controller | Xbox Support

Hello Rhmd, to do this, you need to set the Series S as the home Xbox, then make sure both your account with the games on the Series X, and his account are both signed in on the Series S. Once you do that he will have access to all of the games on the
Series X from his Series S.