Most of guitarists are mostly autodidacts and have no theoretical concept or formal instruction. When playing alone, this does not pose too many problems, but things get complicated from the moment you play in a band. Guitar Power software allows you to study the guitar with your computer. Its database lists more than 300 000 music arrangement, 500 riffs, 550 arpeggios and triads with all inversions. It also helps to learn in what situations to use a particular range for a solo. It has several levels of learning in order to help you progress. It includes over 200 songs to practice and learn. A print function is available and the GUI is very well made .