5.0-absolute masterpiece
4.5-masterpiece
4.0-outstanding - may contain 1 or 2 fillers
3.5-very good, solid piece of music
3.0-just good, over average
2.5-one or two good songs coupled with bunch of fillers
2.0-under average, not recommended, 1 good song max.
1.5-no good song at all
1.0-keep away
0.5-waste of time & money