John Wesley on 1 Corinthians 14:26

What a thing is it, brethren - This was another disorder among them. Every one hath a psalm - That is, at the same time one begins to sing a psalm; another to deliver a doctrine; another to speak in an unknown tongue; another to declare what has been revealed to him; another to interpret what the former is speaking; every one probably gathering a little company about him, just as they did in the schools of the philosophers. Let all be done to edification - So as to profit the hearers.