The singers, the sons of Asaph, were in their place according to the command of David, and Asaph, and Heman, and Jeduthun the king’s seer; and the gatekeepers were at each gate. They did not need to depart from their service, for their brothers the Levites prepared for them.
The destruction which Josiah made of idols and idolatry was more largely related in the Kings, but just mentioned here in the foregoing chapter (v. 33); but his solemnizing the passover, which was touched upon there (Kg2 23:21), is very particularly related here. Many were the feasts of the Lord, appointed by the ceremonial law, but the passover was the chief.
Commenting on 2 Chronicles 35:1-19
And the singers the sons of Asaph were in their place,.... In the court of the priests, singing and playing on their instruments while the sacrifices were offering: according to the commandment of David, and Asaph, and Heman, and Jeduthun the king's seer; the same with Ethan; and everyone were seers, as Jarchi interprets it, that is, the three last: and the porters waited at...
And the singers . . ., were in their place--While the priests and people were so much engaged, the choir was not idle. They had to sing certain Psalms, namely, the hundred thirteenth to the hundred eighteenth inclusive, once, twice, and even a third time, during the continuance of each company of offerers.