A Guitar-Hero™ like game, except that it uses a real electric guitar.
This is a game aimed at real guitarists, maybe for the purpose of learning while having fun or doing Solo battles over the internet.

How It Works:
First of all, the player has to tune the software to his guitar. Calibrate. This is done by plugging in the jack into the computer and playing a few key notes, same can be done with a distortion.
The playing interface will be rather similar to Guitar Hero™, with a road-like fretboard, but instead of just 5 lines with buttons, it will have 6 (since the guitar has 6 strings) with numbers (fret), and for the more advanced, also signs such as ‘let ring’, ‘vibrate’ and such.
Tutorials will also be easy to create, and could teach various techniques as well as finger placements (allows images and a simple scheme to show how to place fingers).