“I have seen Richard present his master classes and I have pored through his current book. Let me say the science is rock solid and the explanation of all the elements of the voice are easy to grasp and apply. For any singer who has a desire to understand how their instrument works, any voice teacher who would like to be able to learn precisely what is going on in there and desires to be up to date with voice science then I have no hesitation in recommending the Seven Dimensions of Singing.”