Naturally, being a meant that she would not just leave the stage after her performance.
Since she was here, she needed more screen time, greet the audience and exchange a few words to make her appearance worthwhile.
The host came up to the stage to control the flow. "Thank you, guests, for bringing us a wonderful performance. You have also set an excellent example for our students."
"Seeing how well you all performed together as a temporary group is quite impressive," the host smiled and said. "Do any of you have any words for our students? It's good to encourage them or share your experiences with them."
The others all said encouraging words. As for experience, they were just improvising on the spot. In order to avoid making a fool of themselves, they did not say anything about experience.