Probably the most direct route would be to send a PM(message under "My Stuff" heading)to Jc(Jean-Claude Benoit), who's now in charge of the audition list. You should be aware that many of the listings aren't up-to-date and may no longer be available for an audition. In any case, you can ask if there are any other possibilities in your area.
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Enjoy the music, not the equipment.