Editing Glissando (section)

==Bent note==
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A '''bent note''' is a [[musical note]] that is varied in [[Pitch (music)|pitch]]. With [[Fret|unfretted]] strings or other continuous-pitch instruments such as the [[trombone]], or with the human [[Vocal music|voice]], such variation is more properly described in terms of [[Intonation (music)|intonation]]. A note is commonly bent to a higher pitch on fretted instruments literally by bending the string with excess finger pressure, and to a lower pitch on [[harmonica]] (a [[Free reed aerophone|free-reed aerophone]]) by altering the vocal tract to shift the resonance of the reed.<ref>Bahnson, Henry T., James F. Antaki, and Quinter C. Beery. "Acoustical and physical dynamics of the diatonic harmonica." The Journal of the Acoustical Society of America 103.4 (1998): 2134-2144.</ref> On brass instruments such as the trumpet, the note is bent by using the lip. "[[indefinite pitch|Indeterminately pitched instruments]] [such as [[unpitched percussion instrument]]s and friction [[drum roll]]s]...produce a pitch or pitch spectrum that becomes higher with an increase of [[dynamics (music)|dynamic]] and lower with a decrease of dynamic."<ref>Solomon, Samuel Z. (2016). ''How to Write for Percussion: A Comprehensive Guide to Percussion Composition'', p.246. Oxford University. {{ISBN|9780199920358}}.</ref>

The bent note is commonly found in various forms of [[jazz]], [[blues]], and [[rock music|rock]].