j JMusicxml是一款基于MusicXML这种开源音乐数据格式的音乐应用。这个应用基于java的awt/swing图形类库，可以用展现midi和musicxml的乐谱。((JMusicxml is a music application base on Recordare MusicXML, on kind of open musical data format. It provided midi parser and staff parser api. besides, some jav