standing mute means to not plead guilty or not guilty. In the United States when this occurs the judge will enter a plea of not guilty on the defendants behalf.
depends on the instrument. for a brass instrument, you can use an actual mute, play straight into your music stand, or put a valve or two halfway down.
People are supposed to stand when any judge enters any courtroom; it is customary, and a sign of respect for the judge and his office.
Stand and remove hats to show respect
Courtroom: The room where a judge presides over hearings and trials, sometimes with a jury
You stand whenever the balliff or court officer tells you to. Usually this is done when the Judge enters and leaves the courtroom.
Reverend Sykes prompts Scout to stand up along with the other people in the colored balcony in a sign of respect for Atticus as he exits the courtroom.
palm mute
palm mute
I think it is Csus2 if you mute the low e string
Everybody is expected to stand until the judge is seated at the bench.
a spectator who do not react to a bad incident
No. But if you cannot stand it just do what I do. Play with friends and mute everyone else.