Christianity in all its forms excels through its high degree of adaptability. We encounter one of the more fascinating examples of adaptation in Latin American Catholicism that developed in the colonies of "New Spain". Not least did the veneration of Mary find especially receptive genius loci here, whose musical disposition soon wedded to an artistic concept that was the non plus ultra for the rulers of the Old World. For some composers, the transatlantic regions thus had such appeal that they abandoned their traditional sphere of activity. One of them was the Italian Ignacio de Jerusalem, who worked at the cathedral in Mexico City; he was joined by the Mexican "home-grown talent" Manuel de Sumaya as well as two Spanish musicians who were only known and beloved in the land of the Aztecs only for their printed works – this yields a truly exquisite mix for Christmas.