[n] music consisting of a single vocal part (usually with accompaniment)
monophonic music
accord, accordance, alba, anacreontic, attune, attunement, balada, ballad, ballade, bucolic, canso, chanson, chime, chiming, clerihew, concentus, concert, concord, concordance, consonance, consonancy, consort, coronach, dead march, death knell, death song