Pinkie Pie has a new hobby that she absolutely loves - playing the Zenithrash; when her friends discourage her from playing due to her lack of skill, it causes a series of events leading to Pinkie Pie possibly leaving Ponyville forever.
Jouer d'un instrument est la nouvelle passion de Pinkie Pie. Mais quand ses amis la dissuadent de jouer à cause de son manque de talent, cela cause une série d'évènements qui conduisent à ce que Pinkie Pie quitte Poneyville.