Copy tracks to new project

Thanks Craig, I actually knew about that technique, and use it occasionally now (I originally learned it from your tip, btw!), but what I really want is to do a track clone across projects. 
 
I have created project templates for my most common configurations, and have made Track Templates on occasion. I suppose that's the way to do it. When I get home I'm going to see if I can multi-select a bunch of tracks and make track templates of all of them in one operation. My guess is not. My fantasy would be that when I finish a project, I can make Track Templates of everything in it, and then have an archive folder called "Track Templates for Ming Chow and Her Amazing Pekingese" and "Track Templates for The Entertainment Parade" etc. Then when I'm working on a new song I can say "I want this to sound like the accordion in Ming Chow".
 
Irrelevant digression: Yesterday I decided I needed to re-do a piece I'd written in 1998, using whatever Cakewalk version was current back then, and I thought I maybe had the old project still around. I hunted it down in the closet, found it on the CD-R, inserted it, saw all these old files with .WRK extensions and 8-character all caps filenames, then opened the appropriate one up in X3, and voila, it opened! It even played, though the instruments were all wrong of course. I just wanted to share a success story, since many of us have computer files we've saved for decades, and here was a case where I actually needed one, and I actually found it, could read it in, and made use of it! It shouldn't be something that's worth a whole paragraph, but in this day and age, it is.