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20th Century Music
Term | Definition |
---|---|
aleatory | refers to music in which the composer employs elements of chance, either in fashioning the composition itself or in prescribing conditions of performance, or both; also referred to as indeterminacy |
atonality | non-tonal music and, in common usage, non-twelve-tone music; the term refers particularly to the pre-twelve-tone music of Schoenberg and his followers, which he preferred to describe as being "pantonal." |
dodecaponic | an ambiguous term referring to the use of the twelve chromatic pitches, but not making clear how they are being used; nevertheless, it is commonly used synonymously with the word serial |
electronic music | compositions produced exclusively by electronic means as well as some that include both electronic and natural sounds |
expressionism | a word borrowed from art history to describe German and Austrian composers of the early twentieth century who shared a deeply subjective approach to their craft, most prominently Schoenberg and Berg |
glissando | a sliding movement through several notes of the scale |
impressionism | a term borrowed from painting to refer to the supposedly objective tone-painting; _______ music is characterized by parallel chord movement, unresolved dissonance such as 7th and 9th chords, whole-tone scales, and subtle, unusual timbral effects |
musique concrète | music made on tape with sounds drawn from nature and man-made noises (including human voices) rather than musical instruments; often altered electronically |
neo-classicism | a 20th century tendency to assume the attitude and employ the techniques and forms of pre-Romantic periods, principally Baroque and Classical |
pentatonic | refers to music which employs only (or primarily) the notes of a five-note scale |
polytonality | music in which more than one tonality is present at the same time |
bitonality | when only two keys are employed simultaneously |
retrograde | the procedure by which a line or melody is read from the last note to the first; prominent in twelve-tone music and also found in the Renaissance |
serial | neither a system nor a style of composition, but simply music in which a fixed series of tones (usually 12) generates the entire structure of a composition; finds the parameters of duration, timbre, dynamics, perhaps even articulation |
sprechstimme | a vocal style halfway between singing and speaking, in which the voice touches the indicated pitches and then quickly moves away from them; often found in expressionistic music |
sul ponticello | bowing a stringed instrument near the bridge |
tone cluster | the simultaneous sounding of a number of adjacent pitches |
twelve-tone method | a 20th century method of composition invented by Schoenberg in which one fixed form of the chromatic scale serves as the basis for a composition, subject to certain rules governing transposition of the row (inversion, retrograde, retrograde inversion) |
whole-tone scale | a symmetrical scale made up of nothing but whole steps |