Author: clarnibass
Date: 2008-12-17 08:03
It's not exactly clear to me what you mean. Do you mean a mechanism that, when you press regular throat Bb fingering, it will open the side trill Bb (instead of the register hole), and automatically(?) also close the thumb ring? Can you clarify? If I understood you correct, then the problem with the trill C/D is that 3rd trill key is a flat D (the register key would close), is this correct?
You can have a slight compromise of just a little flat high D by trilling with the throat G# key. You can help that by trilling with the G# plus the right side Eb/Bb key at the same time (will help the D tuning), or compromise the C tuning by holding the Eb/Bb if you prefer (not great C intonation but easier, though the former option isn't difficult either).
Whether that "sacrifice" is significant depends on how much YOU need it, and how the throat and side Bb play specifically for you, on your instrument and setup i.e. Can you possibly know whether you will need this trill? Can you really know what pieces you will or won't play in the future? etc. etc.
I'm not sure the opinions of others can really help here. On my clarinet I wouldn't do this because of the ways I use the Bb trill for other things than the usual, and how the throat and side Bb are. But OTOH I don't think other ways of trilling C/D are a huge compromise to prevent you from doing this, if you think it gives you a lot of improvement (but judging from how these options work on my instrument, which could be different).
(just to mention FWIW I have tried changing the register vent size on my clarinet).
Post Edited (2008-12-17 08:06)
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The Clarinet BBoard
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