It might be interesting to remember in this thread that when you're talking about 'holy' languages, you're most often talking about languages that came into Church via translation, so as to meet the challenge of bringing the gospel to places where the people spoke languages other than Aramaic or Greek. This is how my Church ended up worshiping in Coptic, as that was the language of the average ethnic Egyptian person, though Greek was known among the educated and the Hellenized, as at Alexandria. This is also how your Church began worshiping in Latin, how the Armenians began worshiping in Armenian (prior to St. Mesrob and the translation of the liturgy and the scriptures into Armenian, they had worshiped in Syriac), how the Axumites began worshiping in Ge'ez, etc.
Think about it seriously: what is the root of the problem -- a change in language, or a change in the ethos behind the creation of music in your church? Presumably there were perfectly serviceable or even quite beautiful English-language Catholic liturgical texts available in the time before VII. In fact, I own one such example in the form of my aunt's bilingual English-Latin missal from the 1930s, which was given to me a few years ago after she passed. Yes, today the translation would seem antiquated, but I doubt it could be characterized as banal or any of the other words likely to be used about Catholic music by those who decry VII.
I can say that in my own Church this has been an issue in recent decades thanks to the influx of popular 'taraneem' (non-liturgical songs) in Arabic which are often set to secular Egyptian melodies derived from Arabic sources (read: not Coptic), and now even more recently thanks to confusion in the so-called 'diaspora' about how to be Orthodox and live in the West where the dominant forms of Christianity are not Orthodox, which has resulted in some absolutely horrific abuses in some churches in Canada and the United States, all in the name of 'nativization' or keeping the Egyptian-American kids of Egyptian immigrants from abandoning the Church or whatever. It's the absolute worst.
I cannot say anything about whatever may be going on in Roman Catholic parishes, but here are some examples of how my own church's bishops have been dealing with this challenge:
HH Pope Tawadros II:
HG Bishop Raphael:
HG Bishop Abanoub of Mokattam (in two parts; context: Protestant 'prayer meetings' and songs had been sung in this church, and HG stepped in to put a stop to it):
Translation, in case the annotations don't show up (sometimes they do, sometimes they don't; not sure why): "Here we will sing Orthodox hymns, which all 20 million Coptic Orthodox rejoice in. And he who wants to sing Protestant, non-Orthodox hymns is free to leave along with those we have already sent out, and here we will sing Orthodox hymns."
I realize I am biased on this point, but I'd like to think that as a fellow traditional church, the replies shown above might be adapted by the Roman Catholic Church if its leadership wants to regain some sense of control over what passes for worship in their churches. I think the example of HG Bishop Abanoub might be of great importance, as the situation at Mokattam, as I understand it, might be a close analogue to the RC situation: people being given various unacceptable forms of worship to engage in, that worship settling is as what is 'normal' at that location even though it is abhorrent, and because it is normalized, it becomes all that much more difficult to stand against. You will note that HG is literally yelling at the people..."chewing them out", to use the common phrase. That's not usual, but it's necessary to deal with severe problems severely. And you will hopefully also note the response of the people: they clap and cheer! No doubt many of them felt the same way for a long time, or had their senses stirred back to wakefulness (cf. HH in the first video, about how un-Orthodox forms of worship dull people's senses), or responded in a repentant manner after realizing that there really was not a Coptic Orthodox church at that location for all that time, and it was all their fault (the priests, the people, and everyone else involved in letting the Church of St. Simon the Tanner be infiltrated by Protestant heresy) that they were in such a position now to
need to be yelled at, for the good of the Church at that location.
Maybe there is someone in your church like HG Bishop Abanoub who can shock people awake and lay down the law, so to speak, if that is what is necessary. Lord have mercy.