While researching her family tree, Twilight is visited by Pinkie, who digs up a scroll showing one of Twilight's ancestors to be "Princess." The problem is, this is so many generations back that there were two princesses. Solving this mystery entails a visit to Canterlot for Twilight and Pinkie, but for us it means a visit to the past.
Written for the EqD WTG #003. Comments and theories, as always, are encouraged.
Twilight tries to learn who her 59-times-great grandmother is.
Celestia and Luna decide that, in order to maintain their popularity, it is imperative they become rock stars.