几年前在北京举办的乐器展上见过到曹天立,他在展位上拉着西安乐器改革者王镇先生发明的水晶电子二胡,娴熟的技巧、充满张力的演奏常常会吸引很多人驻足。今年5月,一年一度的北京乐器展览会上,曹天立又如期而至。主办方特意开辟了民族改革乐器展演区域。在水晶电子二胡展演中,曹天立一边演奏着水晶电子二胡, Cao Tianli was seen at a musical instrument exhibition held in Beijing a few years ago. At the booth, he took the crystal e-erhu invented by Mr. Wang Zhen, a reformer from Xi’an. His skillful skill and full of tension often attracted many people to stop there. In May this year, at the annual Beijing Musical Instrument Exhibition, Cao Tianli went on schedule. Organizers deliberately opened up the national reform instrument show area. In the Crystal Electronic Erhu show, Cao Tianli while playing the crystal electronic erhu,