Editing Multiphonic (section)

{{Short description|Extended technique on a monophonic musical instrument}}
{{distinguish|polyphony}}{{More citations needed|date=August 2023}}
A '''multiphonic''' is an [[extended technique]] on a [[monophony|monophonic]] [[musical instrument]] (one that generally produces only one note at a time) in which several [[Musical note|notes]] are produced at once. This includes [[Wind instrument|wind]], [[Reed aerophone|reed]], and [[Brass instrument|brass instruments]], as well as the [[human voice]]. Multiphonic-like [[Sound|sounds]] on [[String instrument|string instruments]], both [[Bowed string instrument|bowed]] and hammered, have also been called multiphonics, for lack of better terminology and scarcity of research.

Multiphonics on wind instruments are primarily a 20th-century technique, though the brass technique of singing while playing has been known since the 18th century and used by composers such as [[Carl Maria von Weber]]. Commonly, no more than four notes will be produced at once, though for some [[Chord (music)|chords]] on some instruments it is possible to get several more.