Especially, 'Utai Libretto Revised in the Meiwa Era,' the first edition of which was published in 1765, had 210 pieces including reprints, being the largest in scale among Utai-bon officially recognized so far.
なかでも1765年に刊行のはじまった「明和改正謡本」は、復曲を含む全二百十番組という公定の謡本としてはかつてない規模である。