从传统低音发展到自由低音,从键盘到键钮,手风琴在二十世纪发生了巨变,从最初给歌舞伴奏的角色变成可室内乐的重要一员,必须感谢那些优秀的作曲家,是他们使手风琴这件极具时代性的乐器发出耀眼的光辉。我们发现,自由低音手风琴的特殊结构,如键钮的特殊排列,双手间的空间关系,无 From the traditional bass development to free bass, from the keyboard to the button, the accordion changed dramatically in the twentieth century and from the initial role of accompaniment to song and dance became an important part of chamber music, thanks to those excellent composers who were their The accordion, a very contemporary musical instrument, gives a glittering light. We found that the special structure of a free bass accordion, such as the special arrangement of key buttons, the spatial relationship between hands,