2 Kings 2:5

“Afterward you will come to the hill of God where the Philistine garrison is; and it shall be as soon as you have come there to the city, that you will meet a group of prophets coming down from the high place with harp, tambourine, flute, and a lyre before them, and they will be prophesying.

Now a certain man of the sons of the prophets said to another by the word of Yahweh, “Please strike me.” But the man refused to strike him.

Then Amos answered and said to Amaziah, “I am not a prophet, nor am I the son of a prophet; for I am a herdsman and a grower of sycamore figs.