Unlock the following characters by performing the corresponding tasks:
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 the fifth set of albums. Madison - Get a "Platinum" rank on the fourth set of albums. Zach - Get "Platinum" rank on the first set of albums.