Hey, does anybody knows how mp3s works? Are there any tutorials? I want to make an mp3 player for experimentation.

Hey, I actually know this one! You can get the Xaudio SDK from http://www.xaudio.com/ It includes sample code for C++, Delphi, command line, and other stuff, and it lets you program for mp3 playback at least. I''m not sure about what else it covers, but I found it while I was searching a few days ago. It might be useful for you.
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WNDCLASSEX Reality;
...
...
Reality.lpfnWndProc=ComputerGames;
...
...
RegisterClassEx(&Reality);


Unable to register Reality...what''s wrong?
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Dan Upton
Lead Designer
WolfHeart Software