Sirach 50:16

16 Then shouted the sons of Aaron, and sounded the silver trumpets, and made a great noise to be heard, for a remembrance before the most High.

Sirach 50:16 In-Context

14 And finishing the service at the altar, that he might adorn the offering of the most high Almighty,
15 He stretched out his hand to the cup, and poured of the blood of the grape, he poured out at the foot of the altar a sweetsmelling savour unto the most high King of all.
16 Then shouted the sons of Aaron, and sounded the silver trumpets, and made a great noise to be heard, for a remembrance before the most High.
17 Then all the people together hasted, and fell down to the earth upon their faces to worship their Lord God Almighty, the most High.
18 The singers also sang praises with their voices, with great variety of sounds was there made sweet melody.

The Brenton translation of the Septuagint is in the public domain.