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For instance, the above-mentioned C major scale contains the tritones F–B (from F to the B above it, also called augmented fourth) and B–F (from B to the F above it, also called diminished fifth, semidiapente, or semitritonus); [2] the latter is decomposed as a semitone B–C, a whole tone C–D, a whole tone D–E, and a semitone E–F ...
Augmented fifth on C. In Western classical music, an augmented fifth (Play ⓘ) is an interval produced by widening a perfect fifth by a chromatic semitone. [1] [3] For instance, the interval from C to G is a perfect fifth, seven semitones wide, and both the intervals from C ♭ to G, and from C to G ♯ are augmented fifths, spanning eight semitones.
The tritone, an augmented fourth or diminished fifth is often TT. The interval qualities may be also abbreviated with perf, min, maj, dim, aug. Examples: m2 (or min2): minor second, M3 (or maj3): major third, A4 (or aug4): augmented fourth, d5 (or dim5): diminished fifth, P5 (or perf5): perfect fifth.
The intervals of 5-limit just intonation (prime limit, not odd limit) are ratios involving only the powers of 2, 3, and 5.The fundamental intervals are the superparticular ratios 2/1 (the octave), 3/2 (the perfect fifth) and 5/4 (the major third).
In addition to perfect, there are two other kinds, or qualities, of fifths: the diminished fifth, which is one chromatic semitone smaller, and the augmented fifth, which is one chromatic semitone larger. In terms of semitones, these are equivalent to the tritone (or augmented fourth), and the minor sixth, respectively.
Because augmented fourths are alternatively called "tritones" ("tri-tones") or "diminished fifths", augmented-fourths tuning is also called tritone tuning or diminished-fifths tuning. The standard guitar-tuning E-A-d-g-b'-e' interjects exactly one major third amid four perfect fourths for the intervals between its successive open strings. In ...
Augmented fourth or tritone, an interval of three adjacent whole tones (six semitones) In addition, fourth in music may refer to: Quartal harmony, harmonic structures built from the perfect fourth, the augmented fourth and the diminished fourth; Subdominant, the fourth tonal degree of the diatonic scale
6 semitones (augmented fourth, tritone, or diminished fifth): Augmented-fourths tuning, 7 semitones (perfect fifth): All-fifths tuning; For the regular tunings, chords may be moved diagonally around the fretboard, as well as vertically for the repetitive regular tunings (minor thirds, major thirds, and augmented fourths). Regular tunings thus ...