Hi Tony. May I suggest that you contact The George Meany Center located HERE . This is the home page of their website. Or you can just email your inquiry to iwilson@georgemeany.org and they are usually very helpful. My guess is that they will be able to direct you to the right spot. Another resource might be The Labor Heritage Foundation, located at 815 16th Street NW, Room 301, Washington DC 20006. I am sure they will have a handle on how to reach Glenn Plummer. I can tell you this much about Glenn. He is a member, or was, of the UFCW (United Food and Commercial Workers) International Union. That is the same International I belong to. He has written a number of parodies such as No More Concessions (set to the tune of So Long, It's Been Good to Know You) and The Right To Work Lie (set to the tune of Wabash Cannonball). Other very good authors of labor parody songs would include Julie McCall and Paul McKenna. The Labor Heritage Society publishes a book called "Labor Song Parodies" of which I have a copy. I also have several AFL-CIO labor books, and several Little Red Songbooks. If you are looking for specific songs, I would be happy to copy them and mail them or scan/email.