Introduction to Minor 7 Chord Resolution
In music theory, the concept of resolving a minor 7 chord is a fundamental element that connects harmonic progressions with emotional and structural coherence. A minor 7 chord typically resolves to a chord that creates a sense of tension and release. This article aims to explore the common resolutions of a minor 7 chord and the historical context behind the term 'resolve' as it relates to dissonance.
Common Resolutions of a Minor 7 Chord
A minor 7 chord, often represented as Am7, can resolve to several different chords depending on the harmonic context and the desired emotional effect.
To a Major Chord
A minor 7 chord typically resolves to its relative major chord, such as Am7 to C major. This creates a smooth transition as both chords share some common tones, contributing to a sense of resolution and coherence.
To a Dominant Chord
Another common resolution is from a minor 7 chord to a dominant chord. For example, an Am7 can resolve to a D7 chord, which often leads to a G major chord. This progression is prevalent in jazz and pop music, where the movement from tension to resolution is a key element.
To Another Minor Chord
A minor 7 chord can also resolve to another minor chord. A progression such as moving from Am7 to Dm7 can establish a minor key center and create a cohesive harmonic structure.
To a Major 7 Chord
From a minor 7 chord to a major 7 chord, such as from Am7 to Cmaj7, can create a lush and rich sound. This resolution adds depth to the harmonic progression and can enhance the emotional expression of a piece.
The specific resolution depends on the harmonic context and the desired emotional effect. Understanding these resolutions is crucial for musicians and composers to effectively communicate their intended emotional and structural goals.
Historical Context: The Treatment of Dissonance
The term 'resolve' in music theory has its roots in the historical treatment of dissonance. Historically, certain notes were considered dissonant and had to be handled carefully. In a period when the Christian Church was extremely influential, dissonant intervals were managed with specific rules to ensure harmony and balance.
For instance, in the key of C major, the F (which the modern ear does not perceive as dissonant) was considered a dissonant note. Historically, the F had to be first heard in a consonant context, typically within an F triad (F-A-C) or a D minor triad (D-F-A), to establish a consonant foundation before the dissonant note GBDF (G-B-D-F) was introduced. The G to F movement, a minor 7th interval, had to be resolved downward by a whole step: F to E or Eb (Eb in the case of C minor).
This three-chord formula, as summarized, was F-F-E: Introduce the consonant context first, then the dissonant interval, and finally the resolution.
Modern Adaptations and the Charm of Complex Resolutions
Although the historically strict rules around dissonance resolution are less stringent today, the charm of treating a minor 7th interval (augmented 5th) and the major 7th as dissonances by introducing the dissonance in the previous chord as a consonance is still worth learning about. This approach adds a unique and dynamic quality to modern music.
Expanding on this concept, a minor 7 chord in the key of C (Am7) can be followed by a D half dim7 (D-F-Ab-C), a Db7 (Db-F-Ab-C), or even a Dm7 (D-F-Ab-C). Each of these chords can be augmented with various added notes such as a b5, a sus4 C (in place of B in G7), or a 9th, 11th, or 13th. The resolution of the F in the minor 7th chord (Am7) to the E or Eb in the subsequent chord is still essential.
By adhering to these historical and modern principles of resolution, musicians can create compelling and structurally sound harmonic progressions that move not only from dissonance to consonance but also convey rich emotional themes.