Great moments at the foundations of rock 'n' roll: Robert Johnson, a selection of his songs

I will conclude my summer series on some of the great African-American blues musicians and composers who laid the foundation for all the best rock 'n' roll with probably the most famous of them all:  Robert Johnson (1911-1938).  We'll start with the "Cross Road Blues" from 1936, made famous for a later generation by Cream:

 Next up, "Love in Vain," made famous for white audiences by the Rolling Stones:

And last, but certainly not least, the original "Sweet Home Chicago," a staple of every blues player since (here's Buddy Guy or try Freddie King):