It is a long way from the most recent example, but I cannot stop myself from mentioning the theme song to the motion picture version of Oedipus Rex…now there was a title song you could hum.
“Who’s that girl? (Who’s that girl) It’s Jess!” from The New Girl.
Hans Zimmer has put out some great memorable stuff like the Pirates of the Carribean movies, the Batman reboots, and Sherlock Holmes.