Both the Levites and the singing men, that is, both they that were under Asaph, and they that were under Heman, and they that were under Idithun, with their sons, and their brethren, clothed with fine linen, sounded with cymbals, and psalteries, and harps, standing on the east side of the altar, and with them a hundred and twenty priests, sounding with trumpets.

the Levites

2 Chronicles 29:25 And he set the Levites in the house of the Lord with cymbals, and psalteries, and harps according to the regulation of David the king, and of Gad the seer, and of Nathan the prophet: for it was the commandment of the Lord by the hand of his prophets.

1 Chronicles 15:16-22 And David spoke to the chiefs of the Levites, to appoint some of their brethren to be singers with musical instruments, to wit, on psalteries, and harps, and cymbals, that the joyful noise might resound on high. . . .

1 Chronicles 16:4-6,41 And he appointed Levites to minister before the ark of the Lord, and to remember his works, and to glorify, and praise the Lord God of Israel. . . .

1 Chronicles 23:5,30 Moreover four thousand were porters: and as many singers singing to the Lord with the instruments, which he had made to sing with. . . .

1 Chronicles 25:1-7 Moreover David and the chief officers of the army separated for the ministry the sons of Asaph, and of Heman, and of Idithun: to prophesy with harps, and with psalteries, and with cymbals according to their number serving in their appointed office. . . .

Ezra 3:10,11 And when the masons laid the foundations of the temple of the Lord, the priests stood in their ornaments with trumpets: and the Levites the sons of Asaph with cymbals, to praise God by the hands of David king of Israel. . . .

Asaph

1 Chronicles 6:33,39 And these are they that stood with their sons, of the sons of Caath, Hemam a singer, the son of Joel, the son of Sammuel, . . .

1 Chronicles 25:6 All these under their father's hand were distributed to sing in the temple of the Lord, with cymbals, and psalteries and harps, for the service of the house of the Lord near the king: to wit, Asaph, and Idithun, and Heman.

Psalm 50:1 A psalm for Asaph. The God of gods, the Lord hath spoken: and he hath called the earth. From the rising of the sun, to the going down thereof:

Psalm 62:1 Unto the end, for Idithun, a psalm of David. [2] Shall not my soul be subject to God? for from him is my salvation.

Psalm 88:1 A canticle of a psalm for the sons of Core: unto the end, for Maheleth, to answer understanding of Eman the Ezrahite. [2] O Lord, the God of my salvation: I have cried in the day, and in the night before thee.

arrayed

1 Chronicles 15:27 And David was clothed with a robe of fine linen, and all the Levites that carried the ark, and the singing men, and Chonenias the ruler of the prophecy among the singers: and David also had on him an ephod of linen.

Revelation 15:6 And the seven angels came out of the temple, having the seven plagues, clothed with clean and white linen and girt about the breasts with golden girdles.

Revelation 19:8 And it is granted to her that she should clothe herself with fine linen, glittering and white. For the fine linen are the justifications of saints.

cymbals

Psalm 92:3 Upon an instrument of ten strings, upon the psaltery: with a canticle upon the harp.

Psalm 149:3 Let them praise his name in choir: let them sing to him with the timbrel and the psaltery.

Psalm 150:3-5 Praise him with the sound of trumpet: praise him with psaltery and harp. . . .

and hundred

Numbers 10:1-5 And the Lord spoke to Moses, saying: . . .

Joshua 6:6-20 Then Joshua, the son of Nun, called the priests, and said to them: Take the ark of the covenant: and let seven other priests take the seven trumpets of the jubilee, and march before the ark of the Lord. . . .

1 Chronicles 15:24 And Sebenias, and Josaphat, and Nathanael, and Amasai, and Zacharias, and Banaias, and Eliezer the priests, sounded with trumpets, before the ark of God: and Obededom and Jehias were porters of the ark.

1 Chronicles 16:6 But Banaias, and Jaziel the priests, to sound the trumpet continually before the ark of the covenant of the Lord.

Psalm 68:25 Princes went before joined with singers, in the midst of young damsels playing on timbrels.