According to the latest study, the original text before the revisions looks overall like a good-quality text of the Aobyoshi-bon line similar to the manuscript written in Sadaie's own hand and others, except for the chapter "Hatsune" (The First Warbler), which was considered to be a text of the Beppon line (outside the Aobyoshi-bon and Kawachi-bon lines) in the first place.
最近の研究によれば最初から別本系統の本文であるとされている初音帖を除いて補訂前の元々の本文は大体において藤原定家の自筆本などに近い良質の青表紙本系統の本文と見られる。