Bible Verses About Trumpet: The priests to blow the sacred

It will be the sons of Aharon, the cohanim, who are to sound the trumpets; this will be a permanent regulation for you through all your generations.

also the L'vi'im who were the singers, all of them - Asaf, Heman, Y'dutun and their sons and relatives - dressed in fine linen, with cymbals, lutes and lyres, stood on the east side of the altar; and with them 120 cohanim sounding trumpets),

The cohanim stood at their appointed stations, while the L'vi'im used the instruments that David the king had provided for making music to ADONAI in order to "give thanks to ADONAI, for his grace continues forever,"by means of the praises David had composed. Opposite them the cohanim sounded trumpets; and all Isra'el stood up.