"Many players see a low dynamic marking on a part and let that turn them into apologetic, frightened musicians. I think it is beneficial to do the exact opposite. "
-Weston Sprott, Trombone - Metropolitan Opera
The above is a quote from a fantastic article by Weston Sprott that he posted on his website. It is only two paragraphs long and well worth the 30 seconds.
As the title of the article says, don't be shy!