Psssst........Bach was Lutheran!!!!
But, that in no way diminishes the quality or spirituality of his music.
Palestrina...yes! And of course we must add Pergelosi, Gabrieli, Handel, Hayden.......and of a later era, Mozart.
As ninenot has alleuded to, in 19th century America we had magnificent compoers like Singenberger, and others of German descent,who brought a wonderful tradition to our shores.
An interesting side note: a formerly prominant (and now notorious) Jesuit church in NYC - St. Francis Xavier - had a string of famous musicians: Fr. John Young, SJ (largely responsible for importing "Silent Night to the US), Bruno Oscar Klein, Gaston Detheir (founded the organ department of the Julliard School), Pietro Alessio Yon.
Now they gather faithfully around a broken piano to sing Barney songs.