User blog comment:NASCARfan0001/Phineas and Ferb:Summer Belongs To You/@comment-2156322-20100714223941

@The Regurgitator: J Pop (Welcome to Tokyo) is going to be sung by Stacy's cousins, so I would say that she will be in the special, not to mention Ginger and Holly that are seen in the "It's On!" commerical will be in this episode as well.