def reply_music_message(from=nil, to=nil, music)
      message = MusicReplyMessage.new
      message.FromUserName = from || @weixin_message.ToUserName
      message.ToUserName   = to   || @weixin_message.FromUserName
      message.Music        = music
      encrypt_message message.to_xml
    end
def reply_music_message(from=nil, to=nil, music)
      message = MusicReplyMessage.new
      message.FromUserName = from || @weixin_message.ToUserName
      message.ToUserName   = to   || @weixin_message.FromUserName
      message.Music        = music
      encrypt_message message.to_xml
    end
music = generate_music