While other vocalists boasted flawless technique or the ability to hit breathtaking high notes, Elvis Presley was gifted with an uncoachable magic. His voice possessed a chameleon-like quality, shifting its character in a heartbeat. It could ooze mischief and menace one second, melt into tender vulnerability the next, and then swell with enough force to command a massive stadium. You didn’t even need to catch a glimpse of him to recognize that unmistakable sound.
There were singers with cleaner technique and others who could reach spectacular notes, but Elvis Presley possessed something harder to teach. His voice could change personality almost instantly. It could…