In fact, Zeami wrote the "Kakyo" (the Mirror of the Flower), a theory of Nogaku (noh music) following "Fushikaden," for Motomasa who was the successor as the leader of the Kanze group, and it is believed that many writings with no specification of recipient were handed down to Motomasa.
事実世阿弥の『風姿花伝』に次ぐ能楽論『花鏡』は観世座の後継者である元雅のために書かれているほか、贈与先の書かれていない多くの伝書も、多く元雅に託されたものと考えられている。