e/Double buzz

Information
has gloss	eng: Double buzz refers to a multiphonic effect on the trumpet or other brass instruments. During normal play, the upper and lower lips will vibrate together at the same speed. If, however, the lips are set to vibrate at different speeds two pitches may be perceived.
lexicalization	eng: Double Buzz
lexicalization	eng: Double-buzz
instance of	c/Musical performance techniques

Media
media:aud	Trumpet double buzz.ogg