(PSX - PSP) Guitar Freaks 1 & 2 (EBOOT)

Guitar Freaks is a music video game series produced by Konami. It is a rhythm game where the player uses a controller to simulate the playing of an electric guitar. The game consists of music predominantly from the rock music, rock and roll and J-pop genres. It is considered one of the most influential video games of all time, for having laid the foundations for popular guitar-based rhythm games, such as the Guitar Hero series.

To change the game you have to select the option DISC CHANGE on the game mode selection screen, after that you select the option to switch to Disc 2 in your PSP