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Defined in technical language, spectral music is an acoustic musical practice where compositional decisions are often informed by sonographic representations and mathematical analysis of sound spectra, or by mathematically generated spectra.
A "bowafridgeaphone" made by Iner Souster constructed from objects including refrigerator grates, a bundt cake pan and a metal salad bowl [1] Found objects are sometimes used in music, often to add unusual percussive elements to a work. Their use in such contexts is as old as music itself, as the original invention of musical instruments almost ...
Music theory analyzes the pitch, timing, and structure of music. It uses mathematics to study elements of music such as tempo, chord progression, form, and meter. The attempt to structure and communicate new ways of composing and hearing music has led to musical applications of set theory, abstract algebra and number theory.
Atonality in its broadest sense is music that lacks a tonal center, or key. Atonality, in this sense, usually describes compositions written from about the early 20th-century to the present day, where a hierarchy of harmonies focusing on a single, central triad is not used, and the notes of the chromatic scale function independently of one another. [1]
Live electronic music uses live electronic sounds within a performance (as opposed to preprocessed sounds that are overdubbed during a performance), John Cage's Cartridge Music being an early example. Spectral music (Gérard Grisey and Tristan Murail) is a further development of electroacoustic music that uses analyses of sound spectra to ...
Broadly, spectral music deals with resonance and acoustics as compositional elements. For example, in Grisey's seminal work Partiels , the composer used a sonogram to analyze the true sonic characteristics of the lowest note on a tenor trombone (E2). [ 2 ]
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In rock music from the late 1960s to the 2000s, the timbre of specific sounds is important to a song. For example, in heavy metal music, the sonic impact of the heavily amplified, heavily distorted power chord played on electric guitar through very loud guitar amplifiers and rows of speaker cabinets is an essential part of the style's musical ...