Lino Rivera is a professor at St. Mary's College in the San Francisco bay area.  He teaches everything from theory and music history to symphonic music, Medieval and Renaissance music, chamber music and private piano instruction.  His students relish his seriously playful teaching style.  "He's really energetic and entertaining, and that makes it fun," said a student.  "I've heard him perform at faculty recitals and he's as passionate playing as he is teaching."