@JayMarie_N Since this is only occurring on your Samsung device, I went ahead and moved your post to the Android space.
I recommend running through the following troubleshooting steps to see if they resolve this: Troubleshooting for Android Devices
If deleted tracks continue to re-appear on your My Thumbs Up playlist, can you please do me a favor and try deleting tracks from some of your other customized playlists as well?
I'd like to confirm if this issue is specific to your My Thumbs Up playlist.
Thanks again for all your help with this!
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