Ensemble and In chorus

Ensemble noun - An assemblage of parts or details (as in a work of art) considered as forming a whole.

In chorus and ensemble are semantically related In some cases you can use "In chorus" instead an adverb "Ensemble".

In chorus adverb - Speaking or singing at the same time; simultaneously.

Ensemble and in chorus are semantically related in all together topic. Sometimes you can use "Ensemble" instead an adverb phrase "In chorus".