n he suddenly clutched his chest, his expression pained.>"Grandpa""Grandpa, are you alright""What's going on Wait a moment, sir, I'll call the doctor!""Miss Ou Yan, you are the doctor. Miss Ou Yan, pl...mpetition.To get back on track, she's been practicing her skills and techniques relentlessly these days.Several of her new teachers told her that to practice playing, she should choose "The World" by...