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I described several similar "piano-like" systems for the bassoon, where one finger plays each note on register 2 and above
Introduction - System A - Correction and system B - Systems C, D, E, F
(The system A doesn't "misuse lone holes" for the throat notes, that's obsolete. It has special keys like the system B.)
These systems shall play all tonalities with ease, help high notes with several efficient lone holes opened at perfect positions, and open all main holes below the main closed-to-open transition for every note for uniform ease, timbre and intonation. Promising!
I'm worried that a finger shall press several touchpieces in a line. It seemingly demands to play with straight fingers, which isn't quite healthy and is sensitive to the hand position. But here are solutions, hopefully.
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Fingertips can play the system A, where a separate touchpiece opens lone holes at 2:4 and 3:4 positions, as corrected on Jan 18, 2020.
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The curved finger can press touchpieces in a line if their heights make a curve. This applies to system B and could extend to C, D, E, F. Better with the main touchpieces near the palm and the lone ones far on both hands.
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The common touchpiece opening both lone holes at 2:4 and 3:4 positions in system A extends to C and D to achieve the systems C2, D2 and CD2 that the fingertips play easily.
C2 adds 5:6 touchpieces that open one more lone hole for registers 6 and 12. D2 adds 7:8 touchpieces for register 8. CD2 does both.
Experiments shall tell what register the bassoon reaches with many lone holes opened at optimum positions, and how many touchpieces make sense. Present bassoons open about 2 lone hole equivalents that are ill-placed and inefficient, so my systems should improve. Register 12 would reach as high as the oboe to octaviate the Sacre or play cello notes with 4.5 octaves range. To experiment, other fingers can open more lone holes.
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The systems A, C2, D2, CD2 would excel at the soprito, a sopranino reed instrument, with long bore for stable intonation and mellow sound, that would start at register 2 like a trumpet does
scienceforums and surrounding messages
Marc Schaefer, aka Enthalpy
Introduction - System A - Correction and system B - Systems C, D, E, F
(The system A doesn't "misuse lone holes" for the throat notes, that's obsolete. It has special keys like the system B.)
These systems shall play all tonalities with ease, help high notes with several efficient lone holes opened at perfect positions, and open all main holes below the main closed-to-open transition for every note for uniform ease, timbre and intonation. Promising!
I'm worried that a finger shall press several touchpieces in a line. It seemingly demands to play with straight fingers, which isn't quite healthy and is sensitive to the hand position. But here are solutions, hopefully.
==========
Fingertips can play the system A, where a separate touchpiece opens lone holes at 2:4 and 3:4 positions, as corrected on Jan 18, 2020.
==========
The curved finger can press touchpieces in a line if their heights make a curve. This applies to system B and could extend to C, D, E, F. Better with the main touchpieces near the palm and the lone ones far on both hands.
==========
The common touchpiece opening both lone holes at 2:4 and 3:4 positions in system A extends to C and D to achieve the systems C2, D2 and CD2 that the fingertips play easily.
C2 adds 5:6 touchpieces that open one more lone hole for registers 6 and 12. D2 adds 7:8 touchpieces for register 8. CD2 does both.
Experiments shall tell what register the bassoon reaches with many lone holes opened at optimum positions, and how many touchpieces make sense. Present bassoons open about 2 lone hole equivalents that are ill-placed and inefficient, so my systems should improve. Register 12 would reach as high as the oboe to octaviate the Sacre or play cello notes with 4.5 octaves range. To experiment, other fingers can open more lone holes.
==========
The systems A, C2, D2, CD2 would excel at the soprito, a sopranino reed instrument, with long bore for stable intonation and mellow sound, that would start at register 2 like a trumpet does
scienceforums and surrounding messages
Marc Schaefer, aka Enthalpy