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| Category: |  Modern Music |
| Name: |  Terry Riley |
| Birth Year: | 1935 |
| Death Year: | na
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| Representative Image: |  |
| Biography, Lectures, and Research Links: |
Malaspina Great Books -
Terry Riley (1935-)
Biography
Blog Terry Riley
Terry Riley, (born 1935) American minimalist composer. He has composed in just intonation. Just intonation is a scheme of musical tuning designed to preserve the classical rational harmonic relationships between musical tones. The prominent notes of a given scale are tuned so that the ratios of their frequencies are comprised of relatively small integers. For example, in the key of C major, the ratio of the frequencies of the notes C:G is 2:3, while that of C:F is 3:4. All ratios that involve the prime numbers of 2, 3 and 5 can be built out of the following 3 basic intervals:
- s=16/15 Semitone
- t=10/9 Minor Tone
- T=9/8 Major Tone
from which we get
- 6/5 = Ts
- 5/4 = Tt
- 4/3 = Tts
- 3/2 = TTts
- 2/1 = TTTttss
It gives rise to scale of key C
CDEFGABC
TtsTtTs
with ratios w.r.t. C of
D 9/8, E 5/4, F 4/3, G 3/2
A 5/3, B 15/8 and C 2/1
Why isn't just intonation used much? It's because for many instruments, you can't change the key of your scale without retuning your instrument. Also the above scale allows a minor tone to occur next to a semitone. This produces the awkward ratio 32/27 for F/D, so one needs to avoid such a combination of notes. If the value of the major and minor tones are adjusted so that they are both equal, one gets a meantone temperament. If in addition the semitone is altered so that an interval of two semitones is equal to one tone, you get the 12 notes used in modern Western music.
Riley's works include:
- Salome Dances for Peace
- The Harp of New Albion
- In C
[This article is licensed under the GNU Free Documentation License and uses material adapted in whole or in part from the Wikipedia article on Terry Riley.]
The Great Books: Terry Riley
Please browse our Amazon list of titles about Terry Riley. For rare and hard to find works we recommend our Alibris list of titles about Terry Riley. Post Comments, Questions or Suggestions! This database is maintained by Malaspina Great Books.
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Best Choice Books, Music, Art: | Book: Four Musical Minimalists
CD: In C
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| Records from Related Period and Category: | Modern Music
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About
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This web page is part of a biographical database on Great Ideas. These are living ideas that have shaped, defined and directed world culture for over 2,500 years. By definition the Great Ideas are radical. As such they are sometimes misread, or distorted by popular simplifications. Understanding a Great Idea demands personal engagement. Our selection of Great Ideas is drawn from literature and philosophy, science, art, music, theatre, and cinema. We also include biographies of pivotal historical and religious figures, as well as contributions from women and other historically under-represented minorities. The result is an integrated multi-cultural and multi-disciplinary database built upon the framework of the always controversial Great Books Core List published in 1940 by the late Great Books Pioneer Mortimer Adler (1902-2001). Most of the works on that list are available in the 60 volume Great Books of the Western World.
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