The music on your loading screen isn’t playing
FiveM’s CEF browser does allow autoplay with sound, so silence usually means the audio URL is unreachable, blocked by CORS, or in a format CEF will not decode. Use a direct MP3 link served over HTTPS from a host that allows cross-origin requests.
Audio is silent in game but works in the browser, or plays for some players and not others. Usually the file, the URL or autoplay — each has a clear fix.

#Use a direct file link, not a page link
The URL must return the audio file itself. A Google Drive, Dropbox or YouTube page link returns HTML, not audio, and will always be silent. If the URL does not end in .mp3 (or similar) and play directly in a browser tab, it will not work.
#Serve it over HTTPS from a CORS-friendly host
Mixed content is blocked, so an http:// file on an https:// page is dropped silently. The host must also allow cross-origin requests — this is why files uploaded through our own asset library always work, while random file hosts often do not.
#Check the format
MP3 is the safest choice and is what CEF decodes reliably. OGG and WAV usually work; exotic codecs and very high bitrates sometimes do not. Re-encode to a standard 128–192 kbps MP3 if in doubt.
#Confirm autoplay is enabled on the screen
If autoplay is switched off in the editor’s music settings, nothing plays until something starts it — which never happens on a loading screen since players cannot click. Turn autoplay on.
#Remember YouTube backgrounds are separate
A YouTube background carries its own audio. If you use one and also set background music, you get both at once. Mute the YouTube background if you want your own track to be heard.
Questions
Does FiveM block autoplay audio like a browser does?
Can I use a YouTube link as the music?
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