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Correct execution of string
damping technique is a very important requirement for achieving
a polished performance.
The main reason for damping
a note, apart from the obvious one of artistic articulation,
is to prevent a sustained open string from clouding the harmony
when there is a harmonic change in the composition. For example
a low open A bass note will continue to sound for as long
as the string will sustain. If during this sustain the harmony
changes to a dominant E chord the open A string will combine
with the newly played notes to produce an unpleasant discord.
In this case the open A string should be damped slightly before
the change in harmony. This is achieived by placing your right
thumb momentarily back on the vibrating A string just before
playing the next chord.
The other method of damping
is to simply lift the left hand fingers from the note but
obviously this will not work on a open string.
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