Those tunes you recognize but don't know the name of

How did ‘Entry of the Gladiators’ by Julius Fucik get associated with circus folk?

Since learning that, I picture various hulking musclemen ready to fight each other to the death not stoically marching into the coliseum, but tumbling like acrobats, juggling balls…maybe riding in tiny cars with ‘ah-OOG-a’ squeezy horns…

James Horner “borrowed” that tune for the opening theme from Honey, I Shrunk the Kids:

YouTube has several versions of that. On one of them, someone posted the comment, “Either clowns are a lot more butch than I thought they were, of gladiators are a lot more swishy.”

I learned how to play the duet Heart and Soul when i was young, But, I didn’t know the name until much later.