What is the opposite repertory?

The term "opposite repertory" isn't a standard term in any field. It's possible you've misheard or misinterpreted the phrase.

To help me understand what you're looking for, could you provide more context?

For example:

* What field are you referring to? (Theater, music, medicine, etc.)

* What was the original phrase you heard or read?

* Can you give an example of what you think "opposite repertory" might mean?

With more information, I can better understand your question and provide a helpful answer.