KeyMusic is 100% Freeware, lets your keyboard playing music when typing, just for entertainment, girls or children might like it. KeyMusic is portable software, do NOT need to install. It is very easy to use, just run the downloaded file (key-music.exe), and when you typing, your keyboard will sing. You can click 'Minimize to System Tray' to hide it, to show its interface again, just click the corresponding system tray icon. You can set the Device, Instrument, Volume and Tone to get a wide variety of music, and all settings will be saved automatically after exited. Key Features: Lets Keyboard Playing Music When Typing, Adjustable Music Effect, 100% FREE, Portable Application, Very Easy to Use, Saves Settings Automatically.