St. John Cardinal Newman on Liturgy

The whole sermon is necessary reading, but this excerpt is a gem:

...In these times especially, we should be on our guard against those who hope, by inducing us to lay aside our forms, at length to make us lay aside our Christian hope altogether. This is why the Church itself is attacked, because it is the living form, the visible body of religion; and shrewd men know that when it goes, religion will go too. This is why they rail at so many usages as superstitious; or propose alterations and changes, a measure especially calculated to shake the faith of the multitude. Recollect, then, that things indifferent in themselves become important to us when we are used to them. The services and ordinances of the Church are the outward form in which religion has been for ages represented to the world, and has ever been known to us. Places consecrated to God's honour, clergy carefully set apart for His service, the Lord's-day piously observed, the public forms of prayer, the decencies of worship, these things, viewed as a whole, are sacred relatively to us, even if they were not, as they are, divinely sanctioned. Rites which the Church has {78} appointed, and with reason,—for the Church's authority is from Christ,—being long used, cannot be disused without harm to our souls. Confirmation, for instance, may be argued against, and undervalued; but surely no one who in the common run of men wilfully resists the Ordinance, but will thereby be visibly a worse Christian than he otherwise would have been. He will find (or rather others will find for him, for he will scarcely know it himself), that he has declined in faith, humility, devotional feeling, reverence, and sobriety. And so in the case of all other forms, even the least binding in themselves, it continually happens that a speculative improvement is a practical folly, and the wise are taken in their own craftiness.

Therefore, when profane persons scoff at our forms, let us argue with ourselves thus—and it is an argument which all men, learned or unlearned, can enter into: "These forms, even were they of mere human origin (which learned men say is not the case, but even if they were), are at least of as spiritual and edifying a character as the rites of Judaism. Yet Christ and His Apostles did not even suffer these latter to be irreverently treated or suddenly discarded. Much less may we suffer it in the case of our own; lest, stripping off from us the badges of our profession, we forget there is a faith for us to maintain, and a world of sinners to be eschewed."

Tell us again how rock'n'roll fits into his vision.