the structure of music with respect to the composition and progression of chords
source: WordNet 3.0
a harmonious state of things in general and of their properties (as of colors and sounds); congruity of parts with one another and with the whole
source: WordNet 3.0
agreement of opinions
source: WordNet 3.0
an agreeable sound property
source: WordNet 3.0
The just adaptation of parts to each other, in any system or combination of things, or in things intended to form a connected whole; such an agreement between the different parts of a design or composition as to produce unity of effect; as, the harmony of the universe.