"chkeria, the thing with these sort of songs is that at the time they were written there was no means of rapid communication such as e-mail and songs such as these were written and sung as a matter of spreading news in a quick and easy manner. The trouble was the people who wrote and sang them were following there own agenda and so biased them towards their case. As you say not much good for learning the truth about the subject but interesting non the less "
Very interesting I agree, and quite wonderful in many cases.