I could not reproduce the issue with the file you mention, but I have had similar problems before. I have had good luck when selecting the midi clip then right-clicking and choosing "Bounce to Clip(s)". This seems to completely remove all data before the real notes, especially after slip-editing to just before they start.

Thanks very much everyone!...I might not be able to try your suggestions until Monday but I'll be sure to report back after I do.
Thanks again,
Randy

Sorry I didn't get back yesterday but we ultimately decided to do it from scratch after I messed with it some more and got frustrated as hell.
I feel sure it's user error but rather than spend any more time with it, we'll just do it ourselves.
Thanks everyone for your support!
 
Your pal,
Randy

In the past I had best luck when I started with empty project only with TTS-1 and dragged the midi file to it.
And changed to different synths afterward.

For what it's worth. I get the same thing sometimes when I route a midi track through Dim Pro. No sound and no midi activity on meter. When I re-route back through TTS-1, it plays no problem. I have experienced this for quite some time now.

hughblaney1957
For what it's worth. I get the same thing sometimes when I route a midi track through Dim Pro. No sound and no midi activity on meter.

 
My guess in this case would be you're loading Dim Pro as a Simple Instrument so you're actually looking at the Audio meter not the MIDI meter, and it's silent because you haven't yet loaded a patch in Dim Pro.

hughblaney1957
For what it's worth. I get the same thing sometimes when I route a midi track through Dim Pro. No sound and no midi activity on meter. When I re-route back through TTS-1, it plays no problem. I have experienced this for quite some time now.

The DPro issue is well known, this might help http://forum.cakewalk.com/FindPost/3235786