Author: sb1920alk
Date: 2018-05-23 17:33
Hi Chris, thanks for the reply.
I see your point about RH3 opening the forked F vent, but it doesn't explain why the key needs to be split as RH2 closes the forked F vent during the D#-E trill.
The Philly D key closes RH2 via the C key, which in turn closes the forked F vent.
So, unless I'm just still not getting it (always a possibility), we're looking for a fingering that uses left Eb to close the lower part of RH3, but can't tolerate an open forked F vent, and also doesn't close the vent some other way like with RH2.
What does that leave? Trilling from forked F (with left hand Eb down) to Gb by wiggling RH3? I guess, but it would be easier to leave out the left Eb and it doesn't affect the pitch of the low Gb, at least on my oboe, by adding either Eb key to a Gb. High Gb, for me, goes slightly flat by adding right Eb, but more flat by adding left Eb, so this doesn't seem to be an advantage either.
Also, the URL in my OP without the typo: http://wfg.woodwind.org/oboe/ob_fing.html I tried to edit the post, but the site said I couldn't.
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