That depends. Are you just copying the files directly from the CD to the Hard Drive, or are you converting them to MP3 or ACC first? that conversion can take quite a while, depending on the speed of your computer. If you are just copying the files directly off of a Music CD, 10 songs can be as much as 600 megabytes or so, which may also take quite a while to copy, since CD drives can't read data at the speed Hard Drives do.