Twilight, Firefly, Glory, Surprise, Posey, and Applejack. After the age of Equestria has passed, Princess Cadence tries to train a new generation of harmony bearers. *starring the Original mane six, as they were intended to be*
Celestia likes her routine. Tax reforms, grants, laws and construction projects are all a princess needs to be content. It's just her luck that for Pinkie Pie, "content" is not nearly enough.