A man tries to hold a fish, probably near some water. Here we see the survival instinct at its finest when the fish, a bass, escapes thanks to its persistence.
As Jay-Z sings in one of the best songs of his album 'Watch the throne', "Drop the Bass."
Probably because a hard bass line it's an easy way to make a catchy tune.
Drop the Bass.Jay -Z in Watch the throne
Fortunately, the joke was not on Saul Bass.