Do you have to be vaccinated?

Yes proof of vaccination is still required, as well as wearing a mask. If you have a medical condition or religious belief preventing vaccination, their website says that you can show proof of negative PCR test within 48 hours of performance.

Yes

Proof of vaccination or negative test result 24 hrs prior to the show. You can also check with the website.

"Proof", I could have showed them a picture of my dog's butt. Pointless.

Yes + validation and mask.

Currently yes. Photo ID and vaccination card or negative covid test are required. Masks are required inside the venue at all times unless actively eating or drinking.