Author: Don Poulsen
Date: 1999-11-23 14:48
The reason mutes such as those used by brass instruments, such as a plunger mute, have not been discussed here is because they would be, for the most part, ineffective. This is because the sound emanates from the tone holes, not the bell, for all but the lowest one or two notes on the instrument (for each register). As an experiment, stick a rag or something in your bell. For most notes, it will not make a difference. But if you try to play the lowest note, nothing will happen unless you blow hard enough to blow the rag out.
I am somewhat skeptical regarding a piece of string or twine changing the intonation of the horn. The effective length of the instrument controls the pitch. I can see, however, that a string might change the timbre of the instrument slightly.
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