If your file B.mp3 doesn't match any B.mp3 file on iTunes servers, then your file is uploaded to your iTunes Match account (same quality as local file) and it can be downloaded on other devices DRM-free.
So, hopefully you've already read my idea for an Arkham Citysequel. If you haven't, you should go there now. In this blog post,I will attempt to sufficiently sum up each of the villain's storiesin this game. 2b1af7f3a8