Amazing what a little houscleaning will turn up. I may try it again sometime.
Hal Rammel's book is 'Nowhere in America: The Big Rock Candy Mountain and Other Comic Utopias', University of Illinois Press, 1990. MacClintock's version of "The Big Rock Candy Mountain" from 'The Hoboes Hornbook', 1930, is on p. 26. There are many other songs of comic utopias book.