Well....harumph!
I went to the ASCAP website, looked up the information, and then sent a charming letter to the "publisher"/administrator listed for one of Craig Carnelia's unpublished songs, explaining why I wanted a copy of the music, and how could I get it, I was willing to purchase it, etc., etc.
I just received a response that the song "is not available at this time," but that I was more than welcome to purchase his new songbook, which is the same as the old songbook, except that it has about 5 or 6 new numbers in it. But not the one I was looking for.
Just....harumph!