100 = flawless
90 = near perfect. minimal flaws
80 = extremely solid. 1 or 2 just ok tracks
70 = very good. a few forgettable tracks
60 = mostly good. some stinkers bring the project down though
50 = evenly split between good & forgettable/bad
40 = eh. the good shines through though
30 = subpar. lots of good ideas but not done well. only a few stand out tracks
20 = pretty bad. only 1 or 2 good tracks
10 = very bad. the best tracks aren't even that good
0 = nothing good at all