World Music Ch 5-6

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World Music Ch 5-6
2010-09-13 11:05:41
World Music

Key Terms
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  1. Crescendo
    It gets gradually louder
  2. Decrescendo
    It gets gradually softer
  3. Dynamic Range
    The range between the softest and loudest notes.
  4. Timbre
    Character or quality of a musical tone or tones.
  5. Ensembles
    Music groups, whether vocal, instrumental, or a combination.
  6. Harmonics
    Series of overtones
  7. Didjeridu
    Aboriginal Australian instrument.
  8. Music instrument
    Any sound-generating medium used to produce tones in the making of music.
  9. Instrumentation
    The types of instruments (potentially including voices) and the number of each.
  10. 3 main categories of Western instrument classification system.
    Strings, winds, and percussion.
  11. Hornbostel-Sachs classification system
    This system identifies four principal instrument categories, with numerous subdivisions for each.
  12. 4 classifications of Hornbostel-Sachs classification system
    • Chrodophones
    • Aerophones
    • Membranophones
    • Idiophones
    • sometimes electronophones
  13. Chordophones
    instruments in which the sound is activated by the vibration of a string or strings over a resonating chamber.
  14. Aerophones
    use the action of air passing through a tube or some other kind of resonator.
  15. Membranophones
    Instruments in which the vibration of a membrane stretched tightly across a frame resonator produces the sound.
  16. Idiophones
    Instruments in which the vibration of the body of the instrument itself produces the sound.
  17. Digital Sampling
    Allows for any existing sound to recorded, stored as digital data, and then reproduced either "verbatim" or in electronically manipulated form.
  18. Overdubbing
    through the use of machines and computer-based multitrack sequencers, it is possible to layer dozens upon dozens of seperate musical tracks one atop the other in a recording studio.
  19. Single line textures
    the simplest type. Monophonic textures.
  20. Heterophony
    The texture of music that features just a single melodic line, but where that line is performed in varied versions at the same time
  21. Polyphonic
    Textures in which there are two or more distinct parts.
  22. Drone
    One of the simplest types of polyphonic textures
  23. Melody plus drone texture
    The melody unfolds over a sustained, continuous tone, as in the Scottish bagpipe performance of "Amazing Grace"
  24. Harmonized textures
    When notes of differenct pitch occur together to form chords, or "harmonies."
  25. Multiple-melody texture
    Occurs in polyphonic music where two or more essentially separate melodic lines are performed simultaneously.
  26. Polyrhythm
    Term used to describe music in which there are several different parts or layers, with each defined mainly by its distinctive rhythmic character rather than by melodies or chords.
  27. Ostaniato
    A short figure that is repeated over and over again is called ostinato.
  28. Layered ostinatos
    two or more ostinatos are "stacked" one on top of the other.
  29. Cyclic forms
    similar to ostinato-based forms, but the repeated unit of the cycle is typically longer than that of an ostinato.
  30. Verse-chorus form
    One of the most popular formal designs for songs in many cultures.