This article first appeared on RootsMusic.ca in 2010. You can view the original here. Last month, when talking about methods of submission to presenters, I wrote “I would… give a lot of thought before booking anyone who has not at least made an attempt at a professional presentation.” So, does how you appear and present yourself matter?  Well, of course it does.  It matters in every single social interaction you’ll ever have, and influences the way people perceive you on a very basic level.  But setting that aside, how does it affect your artistic career? I know we’re all here for the music, and the other stuff is seen as often…