Profusely sweating, with glasses set back on his silver mane and gesturing with bow to teacher and student, Issac Stern is unmistakably the center of attention in any music class.

• 大师的额头微微冒汗，眼镜推在如银的白发上，执弓的右手频频指向拉琴的少年和提琴教师。他混身散发著一种难以抗拒的力量；