I love the duet he sang with Frank Sinatra - when he had finished his Army tour of duty.
This one: https://www.bing.com/videos/search?q=elvis+%26+sinatra+duet+on+youtube&docid=608056065164318972&mid=2D8723C989D2A41D9F542D8723C989D2A41D9F54&view=detail&FORM=VIRE
Ironic that you had to use Bing to find Frankie and Elvis ;-)
thx! never seen that clip before and i’m just as much a fan of Ol’ Blue Eyes.