2011年7月28日,原上海音乐学院教授、著名弦乐教育家、音乐评论家郑延益先生在香港去世,终年88岁。获悉不幸的消息后,上海音乐学院教授丁芷诺教授即撰文以寄托悼念之情。作为一位普通的音乐教授,郑延益先生以他高尚的人品和对上海音乐学院教学的突出贡献,赢得了业内同仁的尊敬与赞扬。本刊特将丁芷诺教授的纪念文章节选刊登,以表达对郑延益先生的缅怀与敬意。——编者 July 28, 2011, the former Shanghai Conservatory of Music professor, famous string educator, music critic Cheng Yan Yi died in Hong Kong, at the age of 88. After learning of the unfortunate news, Professor Ding Zhi Connaught, an author of the Shanghai Conservatory of Music, wrote an article in an attempt to mourn his feelings. As an ordinary professor of music, Mr. Cheng Yan Yi has won the respect and commendation from colleagues in the industry for his noble character and outstanding contribution to the teaching of Shanghai Conservatory of Music. In this issue, we will publish an excerpt from Professor Ding Jienuo’s commemorative essay to express our memory and tribute to Mr. Cheng Yan-yi. --editor