100: Perfect.
90-99: Every track a banger.
80-89: Personal attachment.
70-79: Great in its moments.
60-69: Good, but without much emotional impact.
50-59: Reasonable.
40-49: Not great, but not embarrassing.
30-39: Maybe a little bit embarrassing.
20-29: Definitely bad, but might have a single redeemable track.
10-19: Humiliating.
0-9: Has no right to exist.
Ava (my 9-month old) matrix:
A+ Ava liked it.
A* Ava didn't care.
A- Ava didn't like it.