I originally had iTunes Match and everything uploaded and streamed quite fine. I then signed up to Apple Music when it became available and again all from my precious library continued to play and stream quite fine. I , however let the iTunes Match subscription expire - after all why pay for the same thing twice as music allowed for the uploading of your own library (or so I was led to believe). Now many of my songs (ones not on the iTunes Store) fail to play, I receive a prompt that "this song is no longer available" Any idea why? Most of this stuff are Prince songs, clearly not available in the Apple Music library.