A practical guide from Nick Landis Mastering covering everything you need to send before a mastering session — file formats, headroom, master bus processing, how to communicate intent, and the project information that goes with your masters.
When preparing your mixes for a mastering session, we typically get the question, "Should I take the L2 and compressor off the mix bus?" My first thoughts run through my head like asking why or what are you doing. . . but I refrain myself.