I am very frustrated with your switch from Google Play Music. It is nearly impossible to find my music library (like old cds I had spent hours uploading to have on google play music or purchases I previously made on Google Play Music). Then when I do find something I had already purchased and uploaded, I have to watch ads (why are you getting money for me to watch something I have already purchased??). Then, when the music is playing, it often has a video with it. This uses up my data and won't play in the background. It's super confusing and I think I'm just going to go back to using the Amazon Music app because this new app is awful.