I am having a terrible time making this work. I follow the instructions in the manual which make it sound like the program will read my mind as long as I put the symbol in the score. The I made sure that Human Playback was on in the Human Playback dialog. I even put an HP On marking at the beginning of the score. If I do that and only start from the playback button, the trill works. If I start from any other point in the score, the trills don't work.

I appreciate any help.