"Windows\Help\Tours\WindowsMediaPlayer\Audio\Wav".

But things become interesting when you scroll down to the very bottom in notepad. Located there is a type of watermarking, which records the software that the Microsoft musician used to create the WAV files.

LISTB INFOICRD 2000-04-06 IENG Deepz0ne ISFT Sound Forge 4.5

DeepzOne is (or at least was) member of the Warez group Radium that had specialized on cracking music software. Along with a person using the alias "Sandor," he was also co-founder of this group, which was established in 1997( see in this interview ). In addition, it was DeepzOne who started circulating the cracked 4.5 version of Sound Forge a few years ago.