Complete the indicated task to unlock the corresponding character.

Angela: Earn 1 Platinum Record for 1 song.
Katelyn: Earn 30 Platinum Records for 30 songs.
FR-3Q: Earn 33 Platinum Records for 33 songs.
Mummy: Earn 36 Platinum Records for 36 songs.
Naoko: Earn 20 Platinum Records for 20 songs.
Nathan: Earn 40 Platinum Records for 40 songs.
Oliver: Earn 25 Platinum Records for 25 songs.
Raphael: Earn 4 Platinum Records for 4 songs.
Richard: Earn 1 Diamond Record for 1 song.
Sarah: Earn 35 Platinum Records for 35 songs.