In music the compositional techniquephasing, popularized by composer Steve Reich, is that while the same part is played on two musical instruments, one instrumentalist keeps playing in steady tempo, while the other gradually moves ahead of the first until it becomes out of and then back in phase (the rhythmic equivalent of cycling through the phase of two waveforms as in phase shifting). Note that both parts are still perceived as being in the same tempo with the change being only enough to gradually separate the parts and bring them back together. In some cases, especially live performance where gradual separation is extremely difficult, phasing is accomplished by periodically inserting an extra note into the phrase of one of the two players who are playing the same repeated phrase, thus shifting the phase by a single beat at a time, rather than gradually. Music is a form of art that involves organized and audible sounds and silence. ... Musical composition has three meanings in music: an original piece of music the musical structure of a musical piece the process of creating a new piece of music // A musical composition A piece of music exists in the form of a written composition in musical notation or as a single... Stephen Michael Reich (born October 3, 1936) is an American composer. ... A musical instrument is a device constructed or modified with the purpose of making music. ... In musical terminology, tempo (Italian for time) is the speed or pace of a given piece. ... Definition of phase shift Phase shifting describes relative phase shift in superposing waves. ...
The technique originated in Reich's tape music, where the composer sets off several copies of the same tape loop simultaneously on different machines. Over time, the slight differences in the speed of the different tape machines causes a flanging effect and then rhythmic separation to occur. Examples include Reich's Come Out and It's Gonna Rain. This technique was then extended to acoustic instruments as described in the above paragraph and later the change in phase was made immediate, rather than gradual, as in Reich's Clapping Music. Tape music is a form of music which began soon after tape recording was invented, as people could now create sounds that were for the first time identical with each performance. ... Flanging is a time-based audio effect that occurs when two identical signals are mixed together, but with one signal time-delayed by a small and gradually changing amount, usually smaller than 20 ms (milliseconds). ... Come Out is a 1966 piece by American composer Steve Reich. ... Its gonna rain is a musical composition written by Steve Reich in 1965 and approximately 17 minutes and 50 seconds in length. ...
An example in popular music is "The True Wheel" on Brian Eno's Taking Tiger Mountain (By Strategy). Popular music is music belonging to any of a number of musical styles that are accessible to the general public and are disseminated by one or more of the mass media. ... Brian Peter George St. ... Taking Tiger Mountain (By Strategy) is a 1974 rock album by Brian Eno. ...
The playing of different repeated phrases in the same tempo but having different metrical lengths (beats in the bar), as in the music of Philip Glass and others, is not phasing but may be considered polyrhythms. Philip Glass (born January 31, 1937) is an American composer. ... Polyrhythm is the simultaneous sounding of two or more independent rhythms. ...
Liquid crystals are another phase intermediate between solids and liquids; the molecules of such a substance have an orderly orientation and in some cases (that is, for smectic liquid crystals) even an orderly position in one direction, but are free to flow past one another.
In contrast, in the plasma phase the atoms are dissociated, i.e.
These phases are of great interest to astrophysics, because these high-pressure conditions are believed to exist inside stars that have used up their nuclear fusion "fuel", such as white dwarves and neutron stars.
In astronomy, a lunar phase is any of the aspects or appearances presented by the Moon as seen from Earth, determined by the portion of the Moon that is visibly illuminated by the Sun.
The lunar phases vary cyclically as the Moon orbits the Earth, according to the relative positions of the Earth, the Moon, and the Sun.
The phases are not created by the shadow of the Earth on the Moon (that would be a lunar eclipse); instead, they are a result of our seeing only part of the illuminated half of the Moon.
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