There could be several reasons. Maybe your device doesn't support the music feature on IG stories. Or, it could be that the music you chose has copyright restrictions. Another possibility is that there's a glitch in the IG app itself. Try restarting your device and the app to see if that helps.
Maybe there's a problem with your app settings or your internet connection.
It might be that your region restricts the use of certain music on Instagram stories. Different regions have different laws regarding music rights.
It could be that the music rights aren't available for your region or your IG account doesn't have the necessary permissions. Also, make sure your IG app is updated to the latest version.
Maybe there's a problem with your IG settings or your device's compatibility. Check both and see if that helps.
It could be that your music rights or permissions aren't set up correctly. Also, sometimes IG has certain restrictions based on your region or account settings. Check those out.
It could be that your IG version isn't updated. Make sure you have the latest version to access all the features, including adding music to your story.
It might be due to a network issue. A poor internet connection can stop the music from being added. Try switching to a different Wi - Fi network or using your mobile data instead.
One reason could be that the music you're using is copyrighted and Instagram doesn't permit the sharing of unauthorized copyrighted material. So, if it's a song from an artist, you need to get the proper license or use Instagram's own music feature.
There could be several reasons. Maybe the music you chose isn't licensed for use on IG stories. Or it might be that your internet connection is unstable preventing the upload. Also, IG's terms of service might have changed and restricted certain music posting.
It could be that your IG account settings are not allowing it. Check your privacy and media settings to make sure music is enabled for your stories. Also, make sure you have the latest version of the app installed.
Sometimes, it could be due to copyright restrictions on the music. Also, make sure your IG app is up to date as older versions might have issues with adding music to stories.