秦箏教育家、演奏家、西安音樂學院教授周延甲，一九三四年六月出生於山西省聞喜縣，二零一九年八月三日病逝於西安。一九五一年，開始參加縣文化館工作，一九五三年，考入西北藝術專科學校附中，後升入西安音樂專科學校（今西安音樂學院前身）師承中國古箏教育事業主要奠基人曹正和齊魯箏派名家高自成，一九五九年，畢業並留校任教，一九九七年，受聘香港演藝學院任全職導師一年。嘗為中國音樂家協會會員、中國音協古箏學會和中國民族管弦樂學會古箏專業委員會副會長、陝西秦箏學會會長、《秦箏》雜誌主編。整理編創了不少的箏曲，主要作品有《秦桑曲》、《姜女淚》（又名《長城調》）、《百花引》、《淒涼曲》等蜚聲海內外。
ZHOU Yan-jia
ZHOU Yan-jia was born on June 1934 in Wenxi, Shanxi province and passed away of illness on August 3, 2019 in Xi’an. In 1953, he was admitted to the affiliated middle school of Xi Bei Arts Training School and later admitted to Xi’an Music School which is now the Xi’an Conservatory. He was learned the zheng under the famous musicians CAO Zheng and GAO Zhi-cheng. In 1959, after his graduation from Xi’an Conservatory, he became the teacher of the conservatory. In 1997, he was appointed as a tutor of the Hong Kong APA for one year. He is a member of the Musicians’ Association of China, vice president of the Zheng Society of the Musicians’ Association of China, vice president of the Committee of Zheng Profession of the Chinese Orchestral Music Society, president of Shaanxi Qinzheng Society, chief-editor of the Qinzheng magazine. He has composed many famous pieces for the zheng, such as A Tune of Qin Mulberry, The Tears of the Widow Jiang, Hundred Flower and Tune of Misery, etc.