at+intervals
51Complement (music) — Traditional interval complementation: P4 + P5 = P8 In music the term complement refers to two distinct concepts. In traditional music theory a complement is the interval which, when added to the original interval, spans an octave in total. For… …
52Spacetime — For other uses of this term, see Spacetime (disambiguation). Two dimensional analogy of spacetime distortion. Matter changes the geometry of spacetime, this (curved) geometry being interpreted as gravity. White lines do not represent the… …
53Musical scale — For psychoacoustic scale, see bark scale and mel scale. Pattern of whole and half steps in the Ionian mode or major scale on C   …
54Semitone — 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 …
550.999... — In mathematics, the repeating decimal 0.999... (which may also be written as 0.9, , 0.(9), or as 0. followed by any number of 9s in the repeating decimal) denotes a real number that can be shown to be the number one. In other words, the symbols 0 …
5672 equal temperament — In music, 72 equal temperament, called twelfth tone, 72 tet, 72 edo, or 72 et, is the tempered scale derived by dividing the octave into twelfth tones, or in other words 72 equally large steps. Each step represents a frequency ratio of 21/72, or… …
57Credible interval — Bayesian statistics Theory Bayesian probability Probability interpretations Bayes theorem Bayes rule · Bayes factor Bayesian inference Bayesian network Prior · Posterior · Likelihood …
58Sonido 13 — is a microtonal music system developed in 1895 by the Mexican composer Julián Carrillo while he was experimenting with his violin. As Carrillo was placing his finger over a violin string, he noticed that he could produce different sounds than the …
59Greek 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… …
60Musical mode — This article is about modes as used in music. For other uses, see Mode (disambiguation). Modern Dorian mode on C  Play …
