Rating System (films and music):

5.0 - Excellent (in some way work with historic value, Highly Recommended)
4.5 - Very Good (Recommended)
4.0 - Good (good to be seen/heard)
3.5 - Okay (can be seen/heard)
3.0 - Okay (so so)
2.5 - Somehow not good
2.0 - Rather bad (avoid it)
1.5 - Terrible
1.0 - Terrible
0.5 - Terrible