https://blog.faceutil.com/2017/10/17/mp3wma-%ec%9d%8c%ec%9b%90%ed%8c%8c%ec%9d%bc-%eb%8b%a4%ec%9a%b4%eb%b0%9b%ea%b8%b0-cjuke-%eb%b9%84%ec%8a%b7%ed%95%9c%ea%b2%83-%d1%8c/