Synonyms for Descant:

n.

counterpoint, breakbeat, coda, accompaniment, crescendo, arpeggio, flourish, excerpt, cadence. communication (noun)
discant.
descant (noun)
warble, yodel, discant.
discourse (noun)
discussion, comment, remark, criticism, review.

Other synonyms:

arpeggio, breakbeat, counterpoint, cadence, accompaniment, excerpt. crescendo, flourish, coda. Other relevant words:
cadence, excerpt, coda, flourish, discussion, counterpoint, review, accompaniment, criticism, remark, comment, breakbeat, arpeggio, crescendo.