Yes you can upload: https://support.google.com/youtubemusic/answer/9716522?hl=en .
The UI/UX of youtube music is lacking compared to GPM, but at least the file locker functionality that I use is still here.
The UI/UX of youtube music is lacking compared to GPM, but at least the file locker functionality that I use is still here.
Switch accounts to upload
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Is that right? If so, that is losing the best aspect of GPM.