背谱起源从李斯特(十九世纪)开始,背谱演奏慢慢成为钢琴音乐会的基本要求,这是历史的必然。钢琴演奏技巧在浪漫主义时期飞速发展,钢琴这件乐器本身也随着工业革命带来的技术进步而不断推陈出新,键盘宽度的增加在拓展音域范围的同时也增大了演奏难度,更加激情的音乐使弹奏速度和大跳距离都 The origin of the back spectrum Starting from Liszt (nineteenth century), playing back slowly becomes the basic requirement for piano concerts, which is a historical necessity. Piano playing skills in the rapid development of romanticism, the piano itself, the instrument is also accompanied by industrial revolution brought about technological advances continue to introduce new keyboard width to expand the range of the same time also increased the difficulty of playing more passionate music So play speed and jump distance are