... only composed in 1979, so it's not a long-standing part of anyone's culture.
SV, the real issue underlying your question(s) is "Who's 'We?'"
Mariachi exists because Mexico was for a time part of the Hapsburg empire. It is a descendant of the European polka brass band.
...part of the Hapsburg empire...
That would be a bit hard to tell, don't you think?If I were a young man of Spanish heritage I would...
You can't have inculturation is you don't have a culture. Among the young here, the culture is predominantly pagan, anti-Catholic and secular. We don't need to incorporate that into the church, just the opposite, we need to go out and evangelise it.
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