The passage moves from nature, the way and teaching to emotions before and after expression, ending with the difference between eating and recognising flavour. Its idea of harmony belongs to the philosophical text, not automatically to musical harmony.
A small-ensemble direction concerns parts working together, not merely recording in a small room. Follow one vocal sentence, then notice whether accompaniment continues or leaves space. Sparse layers do not mean missing audio, and an instrument brief does not certify live players.