RE: COPY/PASTE Project5 LOOP Into SONAR5PE
You can't copy/paste between Sonar and Project5, Joseph. Hey, you can't even copy/paste between the Editor and the Arrange Pane within Project5.
Selected MIDI notes/events OR patterns are copied to their own unique clipboard in memory. You can Rewire, but you've stated this isn't a desirable option.
What I do is to import the .ptn file into Sonar, and then import a saved .mid file from Sonar back to P5, if necessary. The synths don't come with it.
You do need to utilize the dropdown in Sonar's File->Import-> Midi in order to locate the Project5 pattern files. HTH