Ebert and 'The Singing Mailman'

Among his non-film accomplishments, one of the best in the musical sphere was Roger writing first review of John Prine way back in 1970, pre-"Sam Stone" and all the rest.  Certainly Roger was proud of it, and reprinted it here, with videos.  Opens with, "While digesting Reader's Digest in a dirty book store, John Prine tells us in one of his songs, a patriotic citizen came across one of those little American flag decals...."