[Shaman]

Originally Posted by ukfswmart

Mastering is about much more that just making all tracks on an album the same volume. Mastering engineers won't always be working with a two-track stereo mix; it's not uncommon for engineers to work with 'stems', which are like individual mixes of a certain instrument or instrument groups (drums being a common one) in order to get the best out of the mix

Audio mastering - Wikipedia, the free encyclopedia

Yes it is, I know, but I didn't feel like going thorugh all of the aspects of mastering.