What is the correct collective noun of minstrels?

There isn't a single, universally accepted collective noun for minstrels. Here are some options, depending on the context:

Formal options:

* Company of minstrels

* Ensemble of minstrels

* Guild of minstrels

* Band of minstrels

Informal options:

* Troop of minstrels

* Group of minstrels

* Gathering of minstrels

* Congregation of minstrels

The best option would depend on the specific situation and the desired level of formality.