Do you want to play your favourite songs in gta vice city.Here is the trick to do that :

• There is a folder inside the GTA Vice City game folder called MP3. 
• You can place your own MP3s into this folder (ur selected songs).
• If u hv installed the game in it's default location then it's path would beC:\Program Files\Rockstar Games\Grand Theft Auto Vice City\mp3.
• Inside the game, scroll through the various radio stations until you get to the one that is usually the last one ("Wave 103"). 
• There will now be a new station listed as MP3 Player after the Wave 103 station. 
• Select this,and you're now listening.