A had commenced plunking a guitar beside me while I slept...as he played, he pressed a knife on the strings of the guitar in a manner popularized by Hawaiian guitarists who used steel bars. The effect was unforgettable. His song, too, struck me instantly... "Goin' where the Southern cross' the Dog..." ~W.C. Handy, early 20th Century, Tutwiler Train Station, Tutwiler, Mississippi. " probably the most underestimated musician on the planet and also is probably one of the most advanced." ~Eric Clapton, early 21st Century, somewhere in Cyberspace. Could it be that these two observations, separated by a century, are talking about the same thing? Sliding a knife across guitar strings on a dusty railroad stoop and a man considered one of the most advanced at doing nominally the same. ...where the Southern Cross' the Dog...is where the old Southern Railroad crossed the Yazoo River in the heart of the Mississippi Delta. About an hour to the interior from there is the city of Canton. Canton was the home of Elmore James , the blues artist who electrified Robert Johnson's "Dust My Broom" and with Muddy Waters changed the rural face of the blues into a gritty urban juggernaut. Canton, Mississippi is also the birthplace of Sonny Landreth. Who is Sonny Landreth? He is, who Eric Clapton claims, with his famous knack for British understatement, "probably the most underestimated musician on the planet and also is probably one of the most advanced." At what? Playing the slide guitar. In h