WordNet (r) 3.0 (2006):

church music
    n 1: genre of music composed for performance as part of
         religious ceremonies [syn: religious music, church
         music]

Moby Thesaurus II by Grady Ward, 1.0:

29 Moby Thesaurus words for "church music":
   Negro spiritual, anthem, cantata, canticle, chorale, doxology,
   gospel, gospel music, hymn, hymn-tune, hymnody, hymnology, introit,
   mass, motet, offertory, offertory sentence, oratorio, paean,
   passion, prosodion, psalm, psalmody, recessional, requiem,
   requiem mass, sacred music, spiritual, white spiritual