I'm having an issue where I download songs (in extreme quality) to be heard offline and then all of a sudden some day they all "disappear". When I look at where to store the songs it shows like the space in the sd card is actually being used so the songs aren't really erased...so far i've:
1) Made a clean reinstall of the app 3 times while rebooting my phone in between uninstalling and installing
I don't have this issue with any other app and i have plenty of apps installed in my sd card in my Galaxy S8 as well as movies and others.
Currently I'm running spotify version 220.127.116.119 arm V7