Try this ,Dance with Copy permission only 59L
Follow Link
https://marketplace.secondlife.com/stores/52285
http://maps.secondlife.com/secondlife/REVA%20Blue%20Nile/225/40/23
Best Dance hud in SL is Galaxy Dance hud,:matte-motes-bashful-cute:
https://marketplace.secondlife.com/p/Dance-with-me-Galaxy-II-HUD-400-Dances-translatorswimmer/2864892
It is only one prim hud
Add your own dances
you can invite upto 22 people