Taken from an email to Lighter from Robert Waltz (and circulated rather widely since I got a copy).

"...the so-called "search" function in the Index was designed by Google, and it doesn't work for beans. If you have a song title, you should search for it using the Ballad Index Table of Contents, which "I" generate and which therefore works. :-)"

http://www.fresnostate.edu/folklore/Contents.html