<---- Look to the left bar as there is an acronym link.
American Guild of Musical Artists (opera)
American Guild of Variety Artists (think circus)
Also, if you SM in video, then you might have to think of Aftra. American Federation of Television & Recording Artists
(I am sure there are Candian versions of these unions as well)
(Sorry, it was early this morning, late night alst night, and the coffee and me are fighting this morning.)