I really admire your analytic view and scoring with these things.
Scoring albums and such is sometimes hard enough, but individual songs... especially with 1-10 ratio... I suck at it.
I mean, of course I can easily specify my favourite songs, albums and all that, but you know... deciding if The Unbeliever is a 7 or 8/10 for me, or if this or that song is better or worse than the other... That's why I always tend to just describe the feelings I have about songs and it's qualities, rather than scoring and ranking them. I should give a try to that too though.