In short and simple terms, "harmonious composition" means an arrangement of things or ideas that work well together and create a pleasing and balanced whole.
Sentences with «harmonious composition»
The aesthetically harmonious compositions read like letters or code. (columbiajournal.org)
Long simmering feuds, complex sibling relationships, overbearing parents and underwhelming offspring usually don't make for harmonious compositions. (heikemoras.com)
He was masterful at arranging harmonious composition. (rukajgallery.com)