Don’t leave the concert if you have a stomachache. No talking, yawning or coughing is allowed at the concert, and no exits are allowed. Smoking and eating snacks are prohibited in the concert hall. If you need to change your sitting position during the performance, do not make any noise. After each piece of music is played, the audience should thank the performer with applause. After the performance, the audience should stay in their seats for a while and do not rush to leave. At the curtain call, the audience should stand and applaud to show respect for the performers. When leaving the venue, women should go first, followed by men, and do not rush to get ahead.