diatonic tetrachord

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• Diatonic and chromatic — Chromatic redirects here. For other uses, see Chromatic (disambiguation). Melodies may be based on a diatonic scale and maintain its tonal characteristics but contain many accidentals up to all twelve tones of the chromatic scale, such as the… …   Wikipedia

• Tetrachord — Traditionally, a tetrachord is a series of four tones filling in the interval of a perfect fourth, a 4:3 frequency proportion. In modern usage a tetrachord is any four note segment of a scale or tone row. The term tetrachord derives from ancient… …   Wikipedia

• Diatonic genus — In ancient Greek music theory, the diatonic genus (Greek: διατονικό γένος) is the division of the tetrachord from which the modern diatonic scale evolved. The distinguishing characteristic of the diatonic genus is that its largest interval is… …   Wikipedia

• Diatonic scale — Qualities Number of pitch classes 7 Maximal evenness Well formed generated collection Myhill s property Deep scale property Cardinality equals variety Struc …   Wikipedia

• diatonic — diatonically, adv. /duy euh ton ik/, adj. Music. 1. noting those scales that contain five whole tones and two semitones, as the major, minor, and certain modal scales. 2. of or pertaining to the tones, intervals, or harmonies of such scales.… …   Universalium

• tetrachord — tetrachordal, adj. /te treuh kawrd /, n. Music. a diatonic series of four tones, the first and last separated by a perfect fourth. [1595 1605; < Gk tetráchordos having four strings. See TETRA , CHORD1] * * * ▪ music       musical scale of four… …   Universalium

• tetrachord — noun Etymology: Greek tetrachordon, from neuter of tetrachordos of four strings, from tetra + chordē string more at yarn Date: 1603 a diatonic series of four tones with an interval of a perfect fourth between the first and last …   New Collegiate Dictionary

• tetrachord — tet•ra•chord [[t]ˈtɛ trəˌkɔrd[/t]] n. mad a diatonic series of four tones, the first and last separated by a perfect fourth • Etymology: 1595–1605; < Gk tetráchordos having four strings. See tetra , chord I tet ra•chor′dal, adj …   From formal English to slang

• tetrachord — /ˈtɛtrəkɔd/ (say tetruhkawd) noun a diatonic series of four notes, the first and last separated by a perfect fourth. {Greek tetrachordos having four strings} –tetrachordal /tɛtrəˈkɔdl/ (say tetruh kawdl), adjective …  

• Greek arithmetic, geometry and harmonics: Thales to Plato — Ian Mueller INTRODUCTION: PROCLUS’ HISTORY OF GEOMETRY In a famous passage in Book VII of the Republic starting at Socrates proposes to inquire about the studies (mathēmata) needed to train the young people who will become leaders of the ideal… …   History of philosophy

• Semitone — This article is about the musical interval. For the printing method, see halftone. semitone Inverse major seventh (for minor second); diminished octave (for augmented unison); augmented octave (for diminished unison) Name Other names minor second …   Wikipedia