The original cast will return, as will Kenny Ortega, who directed the first two movies and the High School Musical movies in the early 2000s.
I am assuming that The Descendants 3 will follow suit with its predecessors, and contain plenty of singing, and perhaps some dancing as well.
Here's the trailer for The Descendants 3:
https://youtu.be/8jpvcD_LkK4Video can't[...]