Get both albums to "Platinum" rank in each stage of your career by completing all four songs and two challenges. Get a "Platinum" rank on all discs to unlock all characters.

Character	How to unlock
Andre	Get "Platinum" rank on the third set of albums.
Courtney	Get "Platinum" rank on the second set of albums.
Jimmy	Get a "Platinum" rank on fifth set of albums.
Madison	Get a "Platinum" rank on fourth set of albums.
Zach	Get "Platinum" rank on first set of albums.