0-9 = unlistenable
10-19 = Serious issues, very few good moments
20-29 = A lot of issues, slightly redeemable moments
30-39 = Mostly bad, some promise
40-49 = Not great, a good amount of bright sections
50-59 = Mid
60-69 = Mostly great, some bad moments
70-79 = Really good, has underlying issues
80-89 = Fantastic, but not quite perfect
90-99 = Amazing, very small minor criticisms
100 = Perfect, no flaws