music has AutoRip, so when you buy the CDs, it also automatically has it available on your Amazon Music account.
Streaming is great most of the time, but I do go on road trips, or flights, or other places where I can't or don't want to use my mobile data for music.
Maybe I'm old school, but I do like to own music that I know I will listen to repeatedly. I use Spotify and Pandora a lot at work and at home, and sometimes that's where I discover a new band I might like.