键盘界面，视觉上如电子琴，可切换音色，并有全部实现程序，MIDI编程不可或缺的源码！-Keyboard interface, visual such as keyboards, switch sound, and to achieve full program, MIDI programming indispensable source!

有些键盘没有小键盘或者常用键坏掉了，可以用程序来映射到其他按键上-Some keyboards do not have a keypad or common bond is broken, you can use the program to be mapped to other keys