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The twelve-tone technique—also known as dodecaphony, twelve-tone serialism, and (in British usage) twelve-note composition—is a method of musical composition.The technique is a means of ensuring that all 12 notes of the chromatic scale are sounded equally often in a piece of music while preventing the emphasis of any one note [3] through the use of tone rows, orderings of the 12 pitch classes.
The Grandmother chord is an eleven-interval, twelve-note, invertible chord with all of the properties of the Mother chord. Additionally, the intervals are so arranged that they alternate odd and even intervals (counted by semitones) and that the odd intervals successively decrease by one whole-tone while the even intervals successively increase by one whole-tone. [13]
"Mirror forms", P, R, I, and RI, of a tone row (from Arnold Schoenberg's Variations for Orchestra Op. 31, "Called mirror forms because...they are identical". [1]In music, a tone row or note row (German: Reihe or Tonreihe), also series or set, [2] is a non-repetitive ordering of a set of pitch-classes, typically of the twelve notes in musical set theory of the chromatic scale, though both ...
Principal forms of Webern's tone row from movement 1. [9] The first simultaneous pairing of row forms is P1 and R8, and as with the principal forms, each hexachord fills in a chromatic fourth, with B as the pivot (end of P1 and beginning of IR8), and thus linked by the prominent tritone in the center of the row. [10]
His 8 symphonies (see e.g. the article on Symphony No.1 (Op.33, 1958)) either use the twelve-tone technique, or serial techniques with other kinds of rows, or both [5] Lou Harrison. Rapunzel (1952) Symphony on G (1952) Josef Matthias Hauer. All works written after August 1919 (though the twelve-tone technique used is not Schoenberg's system)
A 12-tone row has hexachordal combinatoriality with another 12-tone row if their respective first (as well as second, because a 12-tone row itself forms an aggregate by definition) hexachords form an aggregate. There are four main types of combinatoriality. A hexachord may be: Prime combinatorial (transposition) Retrograde combinatorial
12-tone equal temperament chromatic scale on C, one full octave ascending, notated only with sharps. Play ascending and descending ⓘ. 12 equal temperament (12-ET) [a] is the musical system that divides the octave into 12 parts, all of which are equally tempered (equally spaced) on a logarithmic scale, with a ratio equal to the 12th root of 2 (≈ 1.05946).
D harmonic minor & in the inverted row-form added-sixth chord with both major and minor third : I: 0 t 9 7 5 4 1 8 6 2 4 e: P: 0 2 3 6 8 t 5 7 9 e 1 4: 2 1 3 2 2 5 2 2 2 2 3: Ernst Krenek: Lamentatio Jeremiae Prophetae, Op. 93, row 2 [18] 1940–41 6-34: 6-34: RI-symmetry I: 0 t 9 6 4 2 7 5 3 1 e 8: P: 0 2 4 5 8 t 6 7 9 e 1 3