  == Playing JaC ==  Thanks for your note re San Francisco Gay Men's Chorus's entry in JaC. Yes, I read the instructions but perhaps I'm confused. I started this article less than a month ago, and it was rated as B-class initially. I thought I read somewhere that one could start with a B-class for Jump-a-Class. If I'm wrong let me know and I'll cease and desist! MusicMen 