Formal:
* Company - This is a fairly neutral option that works well for a group of performers.
* Ensemble - This is a good choice for a group of musicians or actors who perform together.
* Troupe - This is another option for a group of performers, especially dancers or actors.
Informal:
* Gang - This is a more informal option that can be used for a group of musicians or artists who work together.
* Crew - This is a good option for a group of artists who are working on a specific project.
Other options:
* Bevy - This is a charming option that can be used for a group of beautiful or talented artistes.
* Galaxy - This is a more poetic option that can be used for a group of talented and diverse artistes.
Ultimately, the best collective noun to use will depend on the specific context and your desired tone.