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Dominant seventh chord on C: C 7 Play ⓘ.. A tetrad is a set of four notes in music theory.When these four notes form a tertian chord they are more specifically called a seventh chord, after the diatonic interval from the root of the chord to its fourth note (in root position close voicing).
In music theory, a tetrachord (Greek: τετράχορδoν; Latin: tetrachordum) is a series of four notes separated by three intervals.In traditional music theory, a tetrachord always spanned the interval of a perfect fourth, a 4:3 frequency proportion (approx. 498 cents)—but in modern use it means any four-note segment of a scale or tone row, not necessarily related to a particular tuning ...
Chord type Major: Major chord: Minor: Minor chord: Augmented: Augmented chord: ... 4-18: 0 3 6 e: Diminished Diminished seventh chord (leading-tone and secondary chord)
While triplets are the most common version, many other tuplets are possible: five notes in the space of four, seven notes in the space of eight, etc. Specific tuplets are named according to the number of grouped notes; e.g., quintuplets. Chord A chord is several notes sounded simultaneously. Two-note chords are called dyads, three-note chords ...
Extended chords add further notes to seventh chords. Of the seven notes in the major scale, a seventh chord uses only four (the root, third, fifth, and seventh). The other three notes (the second, fourth, and sixth) can be added in any combination; however, just as with the triads and seventh chords, notes are most commonly stacked – a ...
The following is a list of commonly used chord progressions in music. Code Major: Major: Minor: ... Two common tones, two note moves by half step motion) V7–III7: 2 ...
2 is mostly used as an extra note in a chord (e.g., add2, sus2). 3 is the minor or major quality of the chord and is rarely written as a number. 4 is mostly used as an extra note in a chord (e.g., add4, sus4). 5 is the (perfect) fifth of the chord and is only written as a number when altered (e.g., F7 (♭ 5)).
The diminished seventh chord is a four-note chord (a seventh chord) composed of a root note, together with a minor third, a diminished fifth, and a diminished seventh above the root: (1, ♭ 3, ♭ 5, 7). For example, the diminished seventh chord built on B, commonly written as B o 7, has pitches B-D-F-A ♭: