http://mp3.baidu.com/m?f=ms&rn=&tn=baidump3&ct=134217728&word=%D2%F2%CE%AA%CA%C7%C5%AE%D7%D3&submit=%B0%D9%B6%C8%CB%D1%CB%F7&lm=-1找后缀不是.mp3格式的下载