Way back in the days before the intertubes put the answers to everything at your fingertips, it was easy to believe all manner of semi-plausible or even idiotic things.

Among the semi-plausible* articles of faith was the idea that Frank Stallone sang the lead vocals for the hit song Eye of the Tiger that accompanied brother Sly’s movie Rocky III

* Semi-plausible based on the fact that Frank Stallone did write and perform a song for the movie Stayin Alive.