Now here is a long post! I hope you enjoy it as much as I enjoyed writing it. And if there are any correction suggestions fire away, especially on the nuts and bolts of music theory of which I profess very little knowledge. And many thanks to all the people from this messageboard without whose excellent discussion and insights this analysis would not have been possible. You know who you are.   UPDATE December 2016: The analysis now includes information and revisions based on the La