As for the rest of the events of Hezekiah’s reign and his deeds of faithful love, note that they are written in the Visions of the Prophet Isaiah son of Amoz, and in the Book of the Kings of Judah and Israel.
Jeremiah chanted a dirge over Josiah, and all the male and female singers still speak of Josiah in their dirges today. They established them as a statute for Israel, and indeed they are written in the Dirges.