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→Predominant
==== Predominant ====
The harmonic function of a chord that serves to move towards dominant-function chords. See [[Music Theory - Diatonic Chord Progressions]].
==== Q ====
This is the "width" or steepness of a filter's effect on the frequency spectrum. Q is measured as 1/n octaves; a Q factor of 1 means the range of impacted frequencies is 1 octave wide.
A high Q on a band-stop indicates a very narrow range of affected frequencies, often used to "notch" out a small offensive frequency. Whereas a low Q may affect nearly the entire audible frequency spectrum. For a high-pass or low-pass filter, a high Q will be a steep, abrupt drop-off in frequencies at the cutoff frequency, while a low Q is a more gradual roll-off. Similar a Shelf with a low Q will have a gradual, smooth transition from the high shelf to the low shelf, while a high Q implies a dramatic, steep jump.
==== Quarter Note ====