It depends of what is providing the songs. If you play trough YouTube, it’ll detect that the device is off and stop the audio stream, but if you’re using Spotify or a different audio player, it could help. It’s worth a try
4 points
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If you play trough YouTube
In that case, use YouTube ReVanced. It has a patch that allows background play. ReVanced also supports the YouTube Music app with a similar patch.
2 points