格拉夫曼去世，他是郎朗王羽佳张昊辰的恩师

Group 1 - Gary Graffman, a renowned classical pianist and educator, passed away at the age of 97, leaving a significant impact on global classical music education [1] - Graffman served as a teacher, artistic director, and dean at the Curtis Institute of Music, where he influenced many prominent pianists, including Lang Lang, Wang Yujia, Zhang Haochen, and Luo Wei [1] - His teaching style emphasized individual expression and creativity, allowing students to explore various interpretations of music [4][11] Group 2 - Graffman had a notable teaching philosophy that respected students' individuality, fostering independent thinking rather than imposing strict preferences [11] - He recognized the potential of young Chinese piano students, noting their talent and rapid learning capabilities, which he valued in his selection process [13] - Graffman encouraged students to cherish their youth and emphasized that talent is crucial for becoming a master, but opportunities favor those who are prepared [13]