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Barbershop harmony is a style of unaccompanied vocal music characterized by consonant four-part chords for every melody note in a predominantly homophonic texture. Each of the four parts has its own role: the lead sings the melody, with the tenor harmonizing above the melody, the bass singing the lowest harmonizing notes, and the baritone completing the chord.
Successive seventh chords starting with a secondary dominant: V 7 /V (II 7)–V 7 –I, in this case G 7 –C 7 –F). Note the chromatic voice leading (B ♮ –B ♭ –A), and that the F in the first chord is 27.26 cents lower than the F in the third chord. Play ⓘ barbershop seventh chord. A chord consisting of the root, third, fifth, and ...
Barbershop arrangements stress chords and chord progressions that favor "ringing", at the expense of suspended and diminished chords and other harmonic vocabulary of the ragtime and jazz forms. The dominant seventh-type chord is so important to barbershop harmony that it is called the "barbershop seventh".
The harmonic seventh is also expected from barbershop quartet singers, when they tune dominant seventh chords (harmonic seventh chord), and is considered an essential aspect of the barbershop style. [15] [16] [c] [17] Origin of large and small seconds and thirds in harmonic series. [18]
This page was last edited on 22 December 2010, at 04:43 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The most common chords are tertian, constructed using a sequence of major thirds (spanning 4 semitones) and/or minor thirds (3 semitones). Since there are 3 third intervals in a seventh chord (4 notes) and each can be major or minor, there are 7 possible permutations (the 8th one, consisted of four major thirds, results in a non-seventh augmented chord, since a major third equally divides the ...
For example, the greater just minor seventh, 9:5 (Play ⓘ) is a 5-limit ratio, the harmonic seventh has the ratio 7:4 and is thus a septimal interval. Similarly, the septimal chromatic semitone, 21:20, is a septimal interval as 21÷7=3. The harmonic seventh is used in the barbershop seventh chord and music.
Diminished seventh chords may also be rooted on scale degrees other than the leading-tone, either as secondary function chords temporarily borrowed from other keys, or as appoggiatura chords: a chord rooted on the raised second scale degree (D ♯ –F ♯ –A–C in the key of C) acts as an appoggiatura to the tonic (C major) chord, and one ...