Spooner Oldham http://kcur.org en Dan Penn: The Sound Of Muscle Shoals http://kcur.org/post/dan-penn-sound-muscle-shoals <p>This week on Cyprus Avenue, a look at the career of a man who was once described as the "secret hero" of 1960's R&amp;B music. Sat, 12 Jan 2013 20:00:00 +0000 Jeffrey Harvey 30283 at http://kcur.org Dan Penn: The Sound Of Muscle Shoals