Author: kdk ★2017
Date: 2017-02-17 19:28
There's always a line between "relaxing" a muscle or muscle group and "disengaging" it. You need a certain level of engagement of the abdominal muscles to control the blowing process needed to produce a sound on any wind instrument. When that engagement becomes unnecessary or misapplied tension, trouble is generally lurking. If "relaxing" helps, she still needs to control the air in some way.
What, I wonder, happens when she sings a sustained note? Can she do it without adding the kind of vocal vibrato that has become part of western singing over the last couple of centuries? If there's no tremolo, or even if any vibrato that's there is controlled and more integral to the sound, her vocal production may be a place to start in rebuilding the blowing technique on clarinet.
Of course, if the problem is actually in the lip/mouth muscles, an approach focused there is more to the point. But again, the difference between relaxed and disengaged is important. You can't play without some muscular engagement around the mouth.
But I still wouldn't rule out a neurological issue. Just how old is she? 50s, maybe not. 60s or older, could be.
Karl
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