TSK · Psalms 81:3

"Speak to the children of Israel, saying, 'In the seventh month, on the first day of the month, shall be a solemn rest to you, a memorial of blowing of trumpets, a holy convocation.

and will make an offering by fire to Yahweh, a burnt offering, or a sacrifice, to accomplish a vow, or as a freewill offering, or in your set feasts, to make a pleasant aroma to Yahweh, of the herd, or of the flock;

You shall keep a feast to Yahweh your God seven days in the place which Yahweh shall choose; because Yahweh your God will bless you in all your increase, and in all the work of your hands, and you shall be altogether joyful.

David spoke to the chief of the Levites to appoint their brothers the singers, with instruments of music, stringed instruments and harps and cymbals, sounding aloud and lifting up the voice with joy.

Shebaniah, and Joshaphat, and Nethanel, and Amasai, and Zechariah, and Benaiah, and Eliezer, the priests, did blow the trumpets before the ark of God: and Obed-Edom and Jehiah were doorkeepers for the ark.

and with them Heman and Jeduthun [with] trumpets and cymbals for those that should sound aloud, and [with] instruments for the songs of God; and the sons of Jeduthun to be at the gate.

Behold, I am about to build a house for the name of Yahweh my God, to dedicate it to him, and to burn before him incense of sweet spices, and for the continual show bread, and for the burnt offerings morning and evening, on the Sabbaths, and on the new moons, and on the set feasts of Yahweh our God. This is [an ordinance] forever to Israel.

even as the duty of every day required, offering according to the commandment of Moses, on the Sabbaths, and on the new moons, and on the set feasts, three times in the year, [even] in the feast of unleavened bread, and in the feast of weeks, and in the feast of tents.

When Judah looked back, behold, the battle was before and behind them; and they cried to Yahweh, and the priests sounded with the trumpets.

With trumpets and sound of the ram's horn, make a joyful noise before the King, Yahweh.

He has violently taken away his tabernacle, as if it were of a garden; he has destroyed his place of assembly: Yahweh has caused solemn assembly and Sabbath to be forgotten in Zion, Has despised in the indignation of his anger the king and the priest.

Let no one therefore judge you in eating, or in drinking, or with respect to a feast day or a new moon or a Sabbath day,