Bill, you can do it the way you stated but there is no guarantee that when you start playing in tempo you are starting at the beginning of a measure. More than likely, you will be in the middle of a measure. The Sequencer isn't going to stop in the middle of a measure and start from the beginning when rhythm starts. I have never found need to play ad lib and then play an Intro. It seems that playing ad lib to start with doesn't require playing an Intro but then there might be a situation where one would want to do it. Anyway, if the rhythm starts is in the middle of a measure, which it most likely will, track 5, (CHD) also known as style or pattern will be out of sync.