“'Hound Dog' took like twelve minutes. That's not a complicated piece of work. But the rhyme scheme was difficult. Also the metric structure of the music was not easy. 'Kansas City' was maybe eight minutes, if that. Writing the early blues was spontaneous. You can hear the energy in the work.”

“It is fatal for any body of workers to have forever hanging from the fringes of its skirts other bodies on a level just below its own; for that means continual pressure downward, additional difficulty to be overcome in the struggle to maintain reasonable rates of wages.”