Columbia subject headings:
Harvard subject headings:
Bach, Johann Sebastian, 1685-1750
Beethoven, Ludwig van, 1770-1827
Church music.
Gregorian chants--History and criticism.
Gregorian chants.
Mozart, Wolfgang Amadeus, 1756-1791
Transcendence (Philosophy)
Princeton subject headings:
Bach, Johann Sebastian, 1685-1750.
Beethoven, Ludwig van, 1770-1827.
Church music.
Gregorian chants.
Mozart, Wolfgang Amadeus, 1756-1791.
Transcendence (Philosophy)