2 Chronicles 29:25-28 - WEB
25
He set the Levites in the house of Yahweh with cymbals, with psalteries, and with harps, according to the commandment of David, and of Gad the king`s seer, and Nathan the prophet; for the commandment was of Yahweh by his prophets.
26
The Levites stood with the instruments of David, and the priests with the trumpets.
27
Hezekiah commanded to offer the burnt offering on the altar. When the burnt offering began, the song of Yahweh began also, and the trumpets, together with the instruments of David king of Israel.
28
All the assembly worshipped, and the singers sang, and the trumpeters sounded; all this [continued] until the burnt offering was finished.
Full Chapter