_**Elvis’ initial leading part portraying a burgeoning rock star of the 1950s**_ A delivery person who has musical ability (Presley) is noticed by a publicist (Lizabeth Scott) at a local fair and subsequently joins an itinerant band, where he progressively “overshadows” the lead performer (Wendell Corey). “Loving You” (1957) marked Elvis’ second of 31 films, but it was his first time as the central figure and a…