Nice article at
http://www.telegraph.co.uk/culture/music/music-festivals/9148006/Bruce-Springsteen-How-I-Became-The-Boss.html
With some great quotes and insights. Elvis Presley was “the first modern 20th century man, creating fundamental outsider art that would be embraced by a mainstream popular culture”. Soul was “blue collar music with the gritty determination of the blues, the church, the earth, the sex soaked heavens. It was music of sweaty perspiration that drenched a man's shirt.”