The Lord was ready to save me; rather, came to my rescue; came and saved me. Therefore we will sing my songs to the stringed instruments; rather, therefore will we play my stringed instruments. Hezekiah calls the stringed instruments his, because he had recalled their use, and re-established them as a part of the temple service after the suspension of that service by Ahaz (2 Chronicles 29:30).
His intention now is to take continual part with the Levites in. Upon the boil. The term hero translated "boil" is used in Exodus (Exodus 9:9-11) for the affliction which constituted the sixth plague, in Leviticus (Le Leviticus 13:18-23) for an ulcer accompanying one of the worst forms of leprosy, in Deuteronomy (Deuteronomy 28:27, Deuteronomy 28:35) for "the botch of Egypt," and in Job (Job 2:7) for the last of the visitations from which he suffered.
It is not unlikely that it was of a leprous character.