Verses with the word instrument in the Old Testament (8 verses):

Numbers 35:16
And if he smite him with an instrument of iron, so that he die, he is a murderer: the murderer shall surely be put to death.

Psalms 33:2
Praise the LORD with harp: sing unto him with the psaltery and an instrument of ten strings.

Psalms 92:3
Upon an instrument of ten strings, and upon the psaltery; upon the harp with a solemn sound.

Psalms 144:9
I will sing a new song unto thee, O God: upon a psaltery and an instrument of ten strings will I sing praises unto thee.

Isaiah 28:27
For the fitches are not threshed with a threshing instrument, neither is a cart wheel turned about upon the cummin; but the fitches are beaten out with a staff, and the cummin with a rod.

Isaiah 41:15
Behold, I will make thee a new sharp threshing instrument having teeth: thou shalt thresh the mountains, and beat them small, and shalt make the hills as chaff.

Isaiah 54:16
Behold, I have created the smith that bloweth the coals in the fire, and that bringeth forth an instrument for his work; and I have created the waster to destroy.

Ezekiel 33:32
And, lo, thou art unto them as a very lovely song of one that hath a pleasant voice, and can play well on an instrument: for they hear thy words, but they do them not.