What is the primary characteristic of a Dominant chord?

A Dominant chord is fundamentally characterized by its tendency to resolve to the tonic chord. In a musical context, this is known as the dominant-tonic relationship, which creates a sense of tension followed by resolution. The dominant chord is built on the fifth degree of the scale, and this tension is crucial in establishing a strong harmonic progression that resolves to the tonic, which is the first degree of the scale.

The definition of a Dominant chord includes its specific structure, comprising the root, major third, and perfect fifth, along with an added minor seventh, creating a "dominant seventh" chord. This chord naturally leads to the tonic chord, reinforcing the hierarchy of the scale where the tonic is the home base. Thus, the correct answer focuses on this resolution aspect, underscoring the essential function of the Dominant chord in Western music harmony.

While Dominant chords can appear in various positions, including root position or inverted forms, these characteristics do not define the essence of a Dominant chord. Including a leading tone, typically found in the scale with a raised seventh leading to the tonic, is important but does not encompass the defining characteristic. Lastly, it is essential for a Dominant chord to have a fifth; in fact, without a fifth