CHAPTER II - Single Sounds

Atypical Trills

Finally, a collection of trills termed "atypical" has been gathered to demonstrate some unique sounds that can be easily produced as part of certain microtonal trills. These sounds include pitched key clicks or finger slaps that can be heard simultaneously with, and as either louder or softer than, a microtonal trill (see Chapter IV for further examples); apparent low frequencies that comprise part of a multiphonic sonority, usually at a very soft dynamic level; and, microtonal trills that consist of pitches with extremely contrasted timbres. They have been organized here according to the frequency of the basic pitch that the trill originates from, from low to high. A short description follows each trill fingering in order to elaborate on its characteristics and possible variations. The pitches or arrows above the staff in parentheses represent the pitch frequency that is produced when the trill key or finger is engaged. The lower notes in parentheses, described as pp-p, are evident as part of a multiphonic when the trill is performed very softly. "Pitch pop" relates to a precise pitch that is generated when the trill is performed softly with very hard finger movement.

TABLE #17 - Atypical Trills

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