To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Russell Watson has a wonderful voice, but sometimes on his CDs he picks material that would best be suited to a different kind of singer. As he has a strong and more operatic voice, perhaps a need to stray more in this genre than the more popular material. All in all though, he has a tremendous voice.