I've looked in /Android/data/com.android.google.music/cache and nothing is there. I don't have an SD card.
I haven't updated my Google Music in ages (I still had the blue interface) but when I updated it to the latest version, I had to clear my song cache because some of my music weren't playing correctly. ...
So I have a very odd problem. When I mark my songs for offline use in Google Play Music, they download just fine and are available offline. However, when I go to the ...