Hexad (other)
Hexad ('group of 6') or hexade may refer to: * Hexad (musical formation), or sextet * Hexad (chord), a six-note series * Hexad (computing), a 6-bit group See also * * 6 * Sextet (other) *Pentad (other) Pentad ('group of 5') or pentade may refer to: * Pentad (chord), a five-note chord * Pentad (computing), or pentade, a 5-bit group *a division of the solar term *Dramatistic pentad, Kenneth Burke's method of analyzing motivation * Medical pentad, ... ('group of 5') * Heptad (other) ('group of 7') {{disamb ...
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Hexad (musical Formation)
A sextet (or hexad) is a formation containing exactly six members. The former term is commonly associated with vocal ensembles (e.g. The King's Singers, Affabre Concinui) or musical instrument groups, but can be applied to any situation where six similar or related objects are considered a single unit. Musical compositions with six parts are sextets. Many musical compositions are named for the number of musicians for which they are written. If a piece is written for six performers, it may be called a "sextet". Steve Reich's "Sextet", for example, is written for six percussionists. However, much as many string quartets do not include "string quartet" in the title (though many do), many sextets do not include "sextet" in their title. See: string sextet and piano sextet. In jazz music a sextet is any group of six players, usually containing a drum set (bass drum, snare drum, hi-hat, ride cymbal), string bass or electric bass, piano, and various combinations of the following or other ...
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Hexad (chord)
In music, a hexachord (also hexachordon) is a six-note series, as exhibited in a scale (hexatonic or hexad) or tone row. The term was adopted in this sense during the Middle Ages and adapted in the 20th century in Milton Babbitt's serial theory. The word is taken from the gr, ἑξάχορδος, compounded from ἕξ (''hex'', six) and χορδή (''chordē'', string f the lyre whence "note"), and was also the term used in music theory up to the 18th century for the interval of a sixth ("hexachord major" being the major sixth and "hexachord minor" the minor sixth). Middle Ages The hexachord as a mnemonic device was first described by Guido of Arezzo, in his ''Epistola de ignoto cantu''. In each hexachord, all adjacent pitches are a whole tone apart, except for the middle two, which are separated by a semitone. These six pitches are named ''ut'', ''re'', ''mi'', ''fa'', ''sol'', and ''la'', with the semitone between ''mi'' and ''fa''. These six names are derived from the fir ...
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Hexad (computing)
In computing and telecommunications, a unit of information is the capacity of some standard data storage system or communication channel, used to measure the capacities of other systems and channels. In information theory, units of information are also used to measure information contained in messages and the entropy of random variables. The most commonly used units of data storage capacity are the bit, the capacity of a system that has only two states, and the byte (or octet), which is equivalent to eight bits. Multiples of these units can be formed from these with the SI prefixes (power-of-ten prefixes) or the newer IEC binary prefixes (power-of-two prefixes). Primary units In 1928, Ralph Hartley observed a fundamental storage principle, which was further formalized by Claude Shannon in 1945: the information that can be stored in a system is proportional to the logarithm of ''N'' possible states of that system, denoted . Changing the base of the logarithm from ''b'' to a di ...
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Sextet (other)
A sextet is a group of six people working together, usually musicians. Sextet may also refer to: * Sextet (Penderecki), a 2000 chamber music composition by Krzysztof Penderecki * Sextet (Poulenc), a 1931/32 chamber music composition by Francis Poulenc * Sextet (Reich), a 1985 chamber music composition by Steve Reich * ''Sextet'' (Carla Bley album), 1987 * ''Sextet'' (A Certain Ratio album), 1982 * Sextet, in computing units of information, a group of 6 bits See also * :Compositions for string sextet * Sextet for Horns and String Quartet (Beethoven) (c. 1795) * ''Sextette'', a 1978 film starring Mae West * * * Hexad (other) Hexad ('group of 6') or hexade may refer to: * Hexad (musical formation), or sextet * Hexad (chord), a six-note series * Hexad (computing), a 6-bit group See also * * 6 * Sextet (other) *Pentad (other) Pentad ('group of 5') or ...

Pentad (other)
Pentad ('group of 5') or pentade may refer to: * Pentad (chord), a five-note chord * Pentad (computing), or pentade, a 5-bit group *a division of the solar term *Dramatistic pentad, Kenneth Burke's method of analyzing motivation * Medical pentad, a group of five signs or symptoms which characterise a specific medical condition *a tuple of length 5 See also * 5 * Quintet (other) * Tetrad (other) ('group of 4') * Hexad (other) ('group of 6') * Lustrum, a five-year period in Ancient Rome. * Pentadic numerals * ''p''-adic number * Quinary Quinary (base-5 or pental) is a numeral system with 5 (number), five as the radix, base. A possible origination of a quinary system is that there are five finger, digits on either hand. In the quinary place system, five numerals, from 0 (number) ...