Author: javier garcia
Date: 2001-07-25 13:24
Oboes have three vent holes. The first, for C#, D, D# is located under the left first finger (as in bass clarinets), the second, is actioned by the left thumb, and the third, by the left first finger (in a similar position that the G# key in clarinets). This is the standard model, called semi-automatic. There are some models with an automatic conection for the thumb and first finger keys. Bassons also have vent key (the whisper key), it is naturally open, and you have to press it to close it at the low notes. On recordes, the left thumb makes the vent hole when you close a half-hole.
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