把要进行旋律提取的midi音乐（最好是选择单轨midi）放进midi_demo_folder里； 双击run_midiReader.bat进行提取，提取到的音符序列会自动存入midi_demo_folder里。-Like to extract the melody midi music (the best is to select single track midi) into midi_demo_folder Lane double run_midiReader.bat extracti