Ben Sira 51:20

20 And the singers lifted up their voices. and in the great house the sound of sweet melody was increased.

Ben Sira 51:20 In-Context

18 Then the sons of Aaron shouted, they sounded with beaten trumpets, and made a great noise to be heard for a remembrance before God.
19 Then all the people together made haste, and fell down to the earth upon their faces, to adore the Lord their God, and to pray to the Almighty God the most High.
20 And the singers lifted up their voices. and in the great house the sound of sweet melody was increased.
21 And the people in prayer besought the Lord the most High, until the worship of the Lord was perfected, and they had finished their office.
22 Then coming down, he lifted up his hands over all the congregation of the children of Israel, to give glory to God with his lips, and to glory in his name:
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