I just got my Matrixbrute, and it is awesome, if not a bit overwhelming. I have what I hope will be an easy question to answer: how do I sync the MB with other instruments, specifically my Drumbrute? I have the clock out of my DB going to the sync in of the MB, and I have the send and receive parameters of each set to be matching, but the instruments aren't talking. I feel dumb. Any idea what I'm doing wrong?