Here's how Apple Music compares to Spotify, Tidal, and other streaming services

One question immediately stands out when you start to compare the biggest music streaming services: where are the differences? The reality right now is that Apple Music and Google Play Music, Spotify and Rdio, and any other pair of other music streaming services sound pretty similar on the surface. They offer about 30 million songs for about $10 a month. They let you play music offline and offer radio services and playlists if you don't feel like picking something yourself. They stream in relati...