In a torrential downpour, the Dawn Jogger headed to the airport this morning on her way to Phoenix. The purpose was to see her first ever spring training game. But friend Terri, who picked her up at the airport, had a surprise. A visit to the relatively new Museum of Musical Instruments, a privately funded venture that is absolutely fabulous. It was impossible to do it justice in the three or so hours they were there, but suffice to say it seems to house every musical instrument from every continent in the world. And yes, she got to bang a gong…