There are great singers, and then there are voices that seem impossible to explain. Elvis Presley belonged to the second category. Music historians, vocal coaches, and fellow performers have spent decades trying to understand what made his voice so unique. It was not simply his range, though that was impressive. It was not merely his power, though he possessed plenty of it. What astonished listeners was his ability to transform. In one song, he could sound like a gospel preacher. In the next, a blues singer. Then a country storyteller, a rock and roll rebel, or a heartbroken lover. Few artists in history have displayed such remarkable versatility.
There are great singers, and then there are voices that seem impossible to explain. Elvis Presley belonged to the second category. Music historians, vocal coaches, and fellow performers have spent…