用于检测是否已插入笔式驱动器的批处理文件

I have to write a batch file which does the following: When a pen drive is inserted it has to copy all the *.mp3 files from the pendrive to my C drive. I thought I can achieve this by running a batch file which runs as a windows service or something, as I don't want the user to know that the mp3 files are being copied.I have to write a batch file which does the fol