Any thoughts? It is such a handicap not to be able to play back my parts. Open to ANY suggestions...

Screen shot attached:

Okay--after I reassigned playback sounds, everything went back to Garritan and no more sound (only get sound when I select SoftSynth). Here's a screenshot:

Okay, here's a shot of the the Score Manager. I played around with the MIDI banks and channels to see if that changed anything--but the sound was exactly the same no matter what I changed them to.

Thanks so much for the help--and sorry about the late replies. Been under the weather a little and trying to finish up a looming commission in the evening hours--ahhh the life of composers I have to...