Numbers 10:10

10 aOn the day of your gladness also, and at your appointed feasts and bat the beginnings of your months, you shall blow the trumpets over your burnt offerings and over the sacrifices of your peace offerings. They shall be ca reminder of you before your God: I am the Lord your God.”

Numbers 29:1-6

Offerings for the Feast of Trumpets

1“On the first day of the seventh month you shall have a holy convocation. You shall not do any ordinary work. dIt is a day for you to blow the trumpets, 2and you shall offer a burnt offering, for a pleasing aroma to the Lord: one bull from the herd, one ram, seven male lambs a year old without blemish; 3also their grain offering of fine flour mixed with oil, three tenths of an ephah
An  ephah was about 3/5 bushel or 22 liters
for the bull, two tenths for the ram,
4and one tenth for each of the seven lambs; 5with fone male goat for a sin offering, to make atonement for you; 6besides gthe burnt offering of the new moon, and its grain offering, and hthe regular burnt offering and its grain offering, and their drink offering, according to the rule for them, for a pleasing aroma, a food offering to the Lord.

1 Chronicles 15:28

28So all Israel brought up the ark of the covenant of the Lord with shouting, to the sound of the horn, itrumpets, and cymbals, and made loud music on jharps and lyres.

2 Chronicles 5:13

13and it was the duty of the trumpeters and singers to make themselves heard in unison in praise and thanksgiving to the Lord), and when the song was raised, kwith trumpets and cymbals and other musical instruments, in praise to the Lord,

lFor he is good,
for his steadfast love endures forever,”
the house, the house of the Lord, was filled with a cloud,

Ezra 3:6

6From the first day of the seventh month they began to offer burnt offerings to the Lord. But the foundation of the temple of the Lord was not yet laid.

Psalms 81:1-4

Oh, That My People Would Listen to Me

To the choirmaster: according to mThe Gittith.
Probably a musical or liturgical term
Of oAsaph.

1 pSing aloud to God our strength;
qshout for joy to the God of Jacob!
2Raise a song; sound rthe tambourine,
sthe sweet lyre with tthe harp.
3Blow the trumpet at uthe new moon,
at the full moon, on our feast day.
4 For it is a statute for Israel,
a rule
Or just decree
of the God of Jacob.

Psalms 98:6

6With wtrumpets and the sound of xthe horn
ymake a joyful noise before the King, the Lord!
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