This is not Manny but I'd like to add my 2 cents.
Just remember that the people you are auditioning for are just people like you...nothing more, nothing less. This will help you develop an attitude of confidence in your own abillity if you feel as though they are your peers. Actually they are your peers...just on a higher level of accomplishment.
Another thing you can do is on a humorous level (if you can stop yourself from laughing while doing it) is to picture the committee in their underwear...LOL it works.
Or you can close your eyes and just picture yourself playing in a situation that you play best in; ie in your room etc. I think people need to understand that individuals of great accomplishment are people who need to be respected for their accomplishments...not feared or awed
When I met Miles Davis in 1991, I just shook his hand and said 'Keep the Genius fires burning man.' I wasnt afraid. If anything I'd have loved to gone out and had a plate of ribs with him and chatted with him about music. But then again thats just me...the way I was brought up

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Those who are jealous of me have no sucess;
Those who are my equal may be kindred.
mmccourt and schilke b6 may consume my leavings.