Really, Really Bad Rebus #31

To celebrate Pi Day the best way we know how, I'm suspending the normal themes for the rest of this week to offer you a special four-pack of a long-running Brain Game challenge, the Really, Really Bad Rebus. Here's the first. Enjoy:

Here is the SOLUTION.
THE SOLUTION:

THE PIRATES OF PENZANCE
(PI + RATS + F + PINS + ANTS)
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