In the end, though, it is his voice above all, that lives on; from the very beggining as a bright and eager youngster capering around the SUN studios, exitedly hammering together two musical styles to create an unforgettable allow, all of his own, right up until the later years, spent booming out ballads in the massive auditoria that were his domain during the seventies - even during the frequently written-off Hollywood years-, his voice never let him down; it is impossible from this perspective to imagine a world without Elvis, his voice booming out from radios and computers, from spaceships circling the further reaches of the galaxy, his voice echoing back; in fact, it is almost inconceivable that any single individual could have made such a mark.Patrick Humphries discussing Elvis voice, in his introduction to his book The Secret History of the Classics