前言由张子锐设计、赵立业制作、郑宝恒艺术实践的“律吕式大扬琴”是1953年完成的一项重要改革成果,它是建国后对传统扬琴所作的第一次全方位改革。这一在理论上和实践上不容忽视的开创性业绩,当时受到有关部门的重视:北京民族音乐研究所(今文学艺术研究院音乐研究所)特购回一架予以陈列。所长李元庆还在专文中就此作了总结:“中央音乐学院改制的半音扬琴,保存了中国扬 Preface By lawyer Zhang Zhaorui, produced by Zhao Liye and Zheng Baoheng’s art practice, the “Law LvDa Daqin Qin” was an important reform result completed in 1953. It was the first all-round reform on the traditional dulcimer after the founding of the People’s Republic. This pioneering achievement that can not be neglected theoretically and practically was valued by relevant departments at that time: a special purchase of Beijing Institute of National Music (now the Institute of Literature and Art) was purchased for display. Director Li Yuanqing also made a summary of this in his article: "The Central Conservatory’s semi-tuning dulcimer has preserved China Yang