HI all, I hope I'm on the right forum, not being a mastering engineer. I've just completed a mix that I'm happy with. I'm sending it out to a really well known studio in my city to be mastered. The only problems with the mix were the drums, that for various reasons were hard to get thick enough as well as enough low end. I finally came up with the best mix I could and it's pretty decent. One of the things I want done in the mastering is to boost the bottom end on bass/drums and make the drums thicker and larger. To see what I could come up with on my own, I compressed the stereo mix itself (something I won't be doing before sending it to the studio) to see what could be done. Very shortly, I did indeed get more of the sound I wanted and thought "great, if I can do this with this little toy, the studio can do it a lot better". But two things bring me to this question: 1. I tried a different form of compression today that sounded better for the overall song, but seemed to bring the drums back which I don't want. 2. I've read that if you intend on compressing during mastering, you should have the drums louder in the mix than you'd normally like. So my question is, how important is this and when is it done? I don't want the overdose, maxiumum compression thing. I just want the low end thicker and the whole song punchier - which I achieved to a degree by myself. So in this case, would I turn the drums up a bit anyway and send that in? Or would it be okay to leave it as it is? In the end, I might just send in both mixes of course, but I'd like to know anyone's opinion about this. Sorry for the long post! Just wanted to be clear. Thanks! Michael M.