A possible concise summary is:
The text is a transcript of a prank video where a pianist, Na Wu Lee, tries to teach a beginner student, Ji Hye Kim, how to play the piano. However, Ji Hye is actually So Yoon Jung, a piano professor who pretends to play badly. Na Wu does not recognize her and tries to be patient and helpful, but he is shocked when she reveals her true identity and skills. He praises her for her prank and she compliments him for his passion.
Here are the extracted facts from the text:
1. So Yoon Jung is an adjunct professor at Seoul National University and Konkuk University.
2. So Yoon Jung graduated from Yewon School and Seoul Arts High School.
3. So Yoon Jung was admitted to the Department of Instrumental Music at Seoul National University College of Music as the top student.
4. So Yoon Jung graduated as the Valedictorian from Seoul National University College of Music.
5. So Yoon Jung earned her master's degree at Seoul National University College of Music as the top of her class.
6. So Yoon Jung earned her doctor's degree at Seoul National University College of Music as the top of her class.
7. So Yoon Jung acquired artist diplomas at Cleveland Institute of Music and Indiana University with full ride scholarships.
8. So Yoon Jung served as an associate instructor at Indiana University.
9. So Yoon Jung served as a teaching assistant at Seoul University and instructor at Jeonnam University.
10. So Yoon Jung won first place in the Kumho Young Artist Concert and Samick Contest.
11. So Yoon Jung won prizes in major Korean contests, including the Eunyoun, Chosun Ilbo, and Teenager contests.
12. So Yoon Jung won first place in the International Society of Arts and Letters Instrument Music Competition.
13. So Yoon Jung won second place in the International matinee musicale competition.
14. So Yoon Jung won first place in the Cleveland Orchestra Artist-in-Residence Fellowship Competition.
15. So Yoon Jung is active as a chamber music performer and has performed solo concerts at various venues.
16. Na Wu Lee is a pianist who appeared on the show Super Band.
17. Na Wu Lee is a member of the band Purple Rain.
18. Ji Hye Kim is a software company employee who graduated from Yonsei University's department of social studies.
19. So Yoon Jung played a prank on Na Wu Lee by pretending to be a beginner piano student.
20. So Yoon Jung was nervous about pulling off the prank.
21. Na Wu Lee did not recognize So Yoon Jung at first.
22. So Yoon Jung's prank was successful, and Na Wu Lee did not discover her true identity until the end.
23. Na Wu Lee was a good sport about the prank and praised So Yoon Jung for her effort.