I would say behind a few trees to the left of her about 15 or 20 steps away.
She should use a planner to organize all of her assignments and important events
You didn't put any answers, but I do know it is polite to greet the persons as they come on stage, and clap or cheer when they finish a song. It is also a good idea to put any electronic devices in sleep mode or simply turn them off.
