Google Not Playing Nice With Apple Music Yet 

If you want to stream your music instead of buy tracks, there are more options than you can shake a stick at. You’ve got Spotify, Rdio, XBox Music (Microsoft), Amazon, Apple Music and Google Play just to name a few. One of the players, Google, which happens to have the world’s biggest search engine, has chosen to only recognize a few of them.

Source: Google Not Playing Nice With Apple Music Yet | TechCrunch