New project in US South promotes music "triangle"

Led by Nashville preservationist Aubrey Preston, a group of historians and music lovers have come up with the "Americana Music Triangle." Stretching from Nashville to Memphis to New Orleans - and encompassing points in between - the triangle includes locations in the South that contributed to the birth of the musical genres, from Clarksdale, Mississippi, the home of blues masters Muddy Waters and John Lee Hooker, to Muscle Shoals, Alabama, site of the famed music studio where Aretha Franklin, th