There are several others, and they are all fabulous. You just hate the one you heard at your graduation, because they only played part of it, and they played it over and over, and it was awful and tiresome and hackneyed.
Elgar is awesome, people. Do not dismiss him on the basis of one piece. Especially since that piece is actually quite good, merely overplayed.
It merely displays your own ignorance to condemn him out of hand.