This particular coincidence arrives here via a circuitous route. I heard it from my friend Steve (How do, Steve!), and Steve heard it from someone else.
First up, here’s Cheap Trick with the beginning of their song “World’s Greatest Lover”:
Cheap Trick – “World’s Greatest Lover” (1980) (excerpt)
I’d say that would have been a novel and unique way to start a rock song, but unfortunately for Cheap Trick, AC/DC did something suspiciously similar four years earlier at the start of one of their songs:
AC/DC – “Big Balls” (1976) (excerpt)
Here are the full versions:
Cheap Trick – “World’s Greatest Lover” (1980)
AC/DC – “Big Balls” (1976)