mid7th

mid7th is a term used in music theory to describe a particular chord quality. Specifically, it refers to a major chord that includes a seventh chord, but instead of the usual major seventh or minor seventh interval, it features a minor seventh interval. This creates a distinct harmonic flavor, often described as jazzy, bluesy, or a bit dissonant but pleasing.

The construction of a mid7th chord, often written as "maj7th," involves a root note, a major third, a perfect fifth, and a minor seventh. For example, a Cmaj7th chord would consist of the notes C, E, G, and Bb. The presence of the minor seventh against the major third gives the chord its characteristic sound, differentiating it from a standard major seventh chord (which would have a major seventh, A in the case of Cmaj7) or a dominant seventh chord (which has a minor seventh but is built on a root and a major third, creating a different overall harmonic function).

mid7th chords are commonly found in jazz, blues, soul, and R&B music, where they add color and sophistication to progressions. They can be used as tonic chords, adding a richer quality to the home key, or as passing chords to create smoother transitions between other harmonic elements. Their unique sound makes them a valuable tool for composers and improvisers looking to explore a wider range of harmonic textures.