Music disappeared suddenly

[Ursidaeus]

I was listening to my music offline and decided to take a nap for about an hour. I restart the app and 90% of my music vanished. I'm on a trip and can't download all of them ago. Decided to try out the $1 premium trial and I don't feel compelled to renew my subscription after it runs out if these automatic music deletions perpetuate.

[Ursidaeus]

I should note that my Spotify app takes up 3.14 GB of my storage on my external SD card. I'm not sure if 3.14 GB constitutes 500 songs or only 10% of the entirety (since only 90% of my offline download playlist disappeared).

[Ursidaeus]

Don't know if there's a edit option for original post so I have to keep making new replies. Another thing I want to point out is that the app deleted random parts if my playlists. Some songs of my Focus/Peaceful Piano are missing. It seems random which were chosen to be removed. Also, I've switched to online mode within the past week.