In truth we know by experience that song has great force and vigour to move and inflame the hearts of men to invoke and praise God with a more vehement and ardent zeal.
John CalvinThe sum is, that the worship of God must be spiritual, in order that it may correspond with His nature. For although Moses only speaks of idolatry, yet there is no doubt but that by synecdoche, as in all the rest of the law, he condemns all fictitious services which men in their ingenuity have invented.
John Calvin