It is similar for lifeless things that make a sound, like a flute or harp. Unless they make a distinction in the notes, how can what is played on the flute or harp be understood?
They are like children sitting in the marketplace and calling out to one another, ‘We played the flute for you, yet you did not dance; we wailed in mourning, yet you did not weep.’
Now, brothers and sisters, if I come to you speaking in tongues, how will I help you unless I speak to you with a revelation or with knowledge or prophecy or teaching?
Afterward you will go to Gibeah of God, where there are Philistine officials. When you enter the town, you will meet a company of prophets coming down from the high place. They will have harps, tambourines, flutes, and lyres, and they will be prophesying.