Determining which song was Elvis' biggest hit is a tricky thing, as he has enjoyed one of the longest and most successful runs in chart history.

On the day he would turn 90, one lucky usher at Elvis Presley’s last concert remembers The King’s last show in the Hostess City. In February 17, 1977, a full six months before the iconic “Jailhouse Rock” singer and American icon passed away at 42,