YouTube is better (its free) but if there was no YouTube this would definitely be my main source of music. I gave it 5 stars because there is good music, live radio, and I can make my playlists as long as I want. But if you don't have any money I recommend YouTube but if you overall just want any music with really good quality get Spotify.
I love having amazon prime, I get to watch as many movies as I want, read as many books as I want, listen to all the music I want, and best of all, save money on my orders with free 2 day shipping! But honestly some of the products take forever to deliver.
Netflix allows me to enjoy my travels and down time. There are so many different genres for my to pick from. The new download movies update is very useful especially when I'm in situations where there is no internet connection. I recommend this app for everyone, it is non-expensive and very entertaining. 5 stars Netflix Keep It Up!