Origins of the blues

Found this cool tid-bit from wikipedia.

Little is known about the exact origins of the music we now know as the blues.[1] No specific year can be cited as the origin of the blues, largely because the style evolved over a long period of time and existed in something approaching its modern form before the term blues was introduced, before the style was thoroughly documented. One important early reference to something probably closely resembling the blues comes from 1901, when an archaeologist in Mississippi described the songs of black workers which had lyrical themes and technical elements in common with the blues.[2] ...........

For the rest click this link origin of the blues