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Heortology also relies on the science of history to understand the origin and evolution of rituals. A festival is generally a re-enactment of a solemn, legendary or real act. Thus, ancient civilizations commemorate as the victory of a hero over a serpent-god, or the betrothal of the Earth to the Sun while for Christians, Easter is the solemn ...
GNU Octave is a scientific programming language for scientific computing and numerical computation.Octave helps in solving linear and nonlinear problems numerically, and for performing other numerical experiments using a language that is mostly compatible with MATLAB.
A heptatonic scale is a musical scale that has seven pitches, or tones, per octave. Examples include: the diatonic scale; including the major scale and its modes (notably the natural minor scale, or Aeolian mode) the melodic minor scale, like the Aeolian mode but with raised 6th and 7th ascending
A pseudo-octave, pseudooctave, [1] or paradoxical octave [2] in music is an interval whose frequency ratio is not exactly 2:1 = octave : tonic expected for perfectly harmonic pitches, but slightly wider or narrower in pitch – for example 1.98:1, 2.01:1, or even as large as 2.3:1 . [1] The pseudo-octave is never-the-less perceived as if it ...
An octave is the interval between one musical pitch and another with double or half its frequency. For example, if one note has a frequency of 440 Hz, the note one octave above is at 880 Hz, and the note one octave below is at 220 Hz. The ratio of frequencies of two notes an octave apart is therefore 2:1.
For example, the frequency one octave above 40 Hz is 80 Hz. The term is derived from the Western musical scale where an octave is a doubling in frequency. [note 1] Specification in terms of octaves is therefore common in audio electronics. Along with the decade, it is a unit used to describe frequency bands or frequency ratios. [1] [2]
Ray of Creation. The Ray of Creation is an esoteric cosmology which was taught by G. I. Gurdjieff as part of his Fourth Way teaching. It is a diagram which better represents the place which Earth occupies in the Universe.
The names ascribed to the eight tones differ in translations into Church Slavonic.The Slavonic system counted the plagioi echoi as glasa 5, 6, 7, and 8. For reference, these differences are shown here together with the Ancient Greek names of the octave species according to the Hagiopolites [2] (see Hagiopolitan Octoechos) and to the chant treatises and tonaries of Carolingian theorists.