The Ratings:
5* Essential.
4.5* Highly recommended.
4* Quality recording worth a serious listen.
3.5* Interesting but non-essential.
3* Fair effort without anything to attract attention.
2.5* Others may go for this, but not my cup of tea.
2* Nothing to recommend this.
1.5* Why bother?
1* Avoid
0.5* Run very quickly in the opposite direction.