| Term | Definition |
|
music theory |
the study of the specific elements of music - melody, harmony, counterpoint, orchestration , form etc which when combined can reflect performance practices according to historical periods and cultures |
|
four basic properties of sound |
1. frequency 2. amplitude 3. timbre 4. duration |
|
frequency |
indicates how high or low the sound is perceived |
|
pitch |
the actual frequency of a sound wave |
|
diapason |
octave |
|
consonance |
intervals of repose/relaxation |
|
dissonance |
intervals of stress/tension |
|
amplitude (intensity) |
how loud or soft a sound is perceived |
|
decibels (db) |
the smallest perceptible difference in volume or amplitude |
|
polyphonic music |
music for several vocal or instrumental lines sounding simultaneously, each having a more or less individual character |