Music Theory Terms Flashcards

Terms Definitions
 Interval Cycle A succession of repeated, equal intervals Cycle 1/11 Cycle of semitones; divides the octave into twelve equal segments; chromatic scale; only one chromatic scale Cycle 2/10 Cycle of whole tones; divides the octave into six equal segments; whole-tone scale; two possible scales Cycle 3/9 Cycle of minor thirds; divides the octave in four equal segments; fully diminished seventh chord; three possible scales Cycle 4/8 Cycle of major 3rds; divides the octave into three equal segments; augmented triad; four possible scales Cycle 5/7 Cycle of perfect fourths; divides the octave into twelve equal segments; only one scale Cycle 6 Cycle of tritones; divides the octave into two equal segments; six possible tritones Cell x (0123) One of Bartók's three scales; a segment of the chromatic scale Cell y (0246) One of Bartók's three scales; a segment of the whole-tone scale Cell z (0167) One of Bartók's three scales; two overlapping tritones Transpositional combination A property that results when a set can be divided into two or more segments related among themselves by transposition Symmetry around an axis A musical structure where the axis is a pitch or pitch class at midpoint between all the notes in the texture, and all the intervals above or below the axis are the same Whole tone scale A scale that divides the octave into six whole tones Octatonic scale An eight-note scale in which semitones and tones alternate Hexatonic scale A six-note scale in which semitones and minor 3rds alternate Cardinal Number The number of elements in a set Normal ordering An arrangement of pitch classes in ascending numerical succession where they cover the shortest possible span. Twelve-tone row An ordering of twelve pitch classes Order number A number in the twelve-tone row that shows the position of the specific pitch class Prime order The original order of a row Inversion order The inverted order of a row Retrograde order The reverse order of a row Retrograde inversion order The order of a row that is inverted and reversed Generative Rhythm A rhythm that grows from a small initial segment following a systematic process Seed The initial cell from which a generative rhythm is constructed Recursive progression Results from a seed that generates a larger seed Progressive rhythm Results when an initial seed is changed by a fixed value Chromatic progression The value of a progressive rhythm is added or subtracted by 1 Metric modulation Process where music moves from one tempo to another in a series of intermediate steps
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