Concord or agreement in facts, opinions, manners, interests, etc.; good correspondence; peace and friendship; as, good citizens live in harmony.

A succession of chords according to the rules of progression and modulation.

The science which treats of their construction and progression.

A pleasing or congruent arrangement of parts, which helps to unify the visual elements of a composition.

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.

in advertising design and layout, the principle relating to the compatibility of all the elements comprising an advertisement; e.g., the type face and type size of the copy should be compatible or “fit” with the type face and type size used in the headline. See balance, contrast, emphasis, flow, gaze motion, and unity.

refers to a way of combining elements of art in order to accent their similarities and join the aspects of a composition into a cohesive whole.

visual unity of a design created by a tasteful relationship among all parts within the whole.

Harmony is the seventh album by American rock band Three Dog Night, released in 1971 (see 1971 in music).

Harmony is Canadian singer Gordon Lightfoot's 20th original album. It made #35 on the Independent albums chart.

Harmony is the second album by UK group Honeyz. Two singles were released from the album and one promo single ("Not Even Gonna Trip", "I Don't Know" and "Talk to the Hand"). Because of two failed singles the album and the 3rd single were scrapped.

Harmony is a Swedish Christian Progressive Power Metal band. The group formed in 2000 and released their debut album Dreaming Awake in 2003. Bassist Andreas Olsson who is also a member of Narnia, Divinefire, and Rob Rock joined the group after receiving a recommendation from Narnia and Divinefire frontman Christian Rivel.