2 Chronicles 29:30

“Moreover Hezekiah the king and the princes commanded the Levites to sing praise unto the Lord, with the words of David, and of Asaph the seer, etc.] Making use of psalms composed by the one and the other; Jarchi takes it to be the one hundred and fifth psalm, which begins, “O give thanks unto the Lord, call upon his name”; as in (<131607>1 Chronicles 16:7,8) and they sang praises with gladness; the king and all the people: and they bowed their heads and worshipped; made another adoration of the Divine Being, as deeply impressed with a sense of his greatness and goodness.”

“with the words: Sa2 23:1, Sa2 23:2; 1Chr. 16:7-36 they sang: Psa 32:11, Psa 33:1, Psa 95:1, Psa 95:2, Psa 95:6, Psa 100:1, Psa 100:2, Psa 149:2; Phi 4:4 2 Chronicles 29:31”

“The king and the princes commanded the Levites to sing praise unto the Lord with the words (psalms) of David and of Asaph; and they sang praise with joy, and bowed themselves and worshipped. This verse does not mean that the Levites began to sing psalms at the king's command only after the sacrificial act and the instrumental music ( Ch2 29:27.) had been finished, but it forms a comprehensive conclusion of the description of the sacrificial solemnities. The author of the Chronicle considered it necessary to make express mention of the praising of God in psalms, already implicite involved in the משׁורר השּׁיר, Ch2 29:28, and to remark that the Levites also, at the conclusion of the song of…”