I'm going to start adding details on the equipment to help you. If you have time some time and are in a reasonably sized city, you can probably find some gear on Facebook marketplace. If you just want something now, Amazon, or your local music store are both quick options.
Start with the Essentials. I think these should be at every dance party. Once I create the other pages, I'll get them linked up here.+
Cover Photo by Aleksandr Popov on Unsplash