To dream of hearing a duet played, denotes a peaceful and even existence for lovers. No quarrels, as is customary in this sort of thing. Business people carry on a mild rivalry. To musical people, this denotes competition and wrangling for superiority. To hear a duet sung, is unpleasant tidings from the absent; but this will not last, as some new pleasure will displace the unpleasantness.
It is necessary to carry out someone’s assignment besides desire.