Im using MMM16 but have a problem recording additional tracks. Once I record the drums via a drum machine on track one I then want to record bass on another track. The problem is I keep getting the drum track blleeding onto the bass track. I'm using a berringer mixer which I have the rca jacks in the mixer and the usb going to the computer. In my file menu on the computer I put the program setting under the Audio/Midi tab to "USB speakers CODEX" which alows me to hear the recorded track while I'm playing bass but when I record the drums keep going on the second track. I use headphones but it seems to be either something I'm not doing with the mixer (played with all the buttons) or something I havent set properly in the MMM program. Can anyone help?