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Re: Pedals:'Where it matters

In message <Pine.GSO.4.10.9910271115050.540-100000@xxxxxxxxxxxxxxxxxxxxx
ac.uk>, Dafydd y garreg wen <mavnw@xxxxxxxxxxxxxxxxx> writes
>Note:- What I have written below may be complete junk. It's just my
>personal theory/guess.
>
>
>Excuse me if I'm being a bit dense, but what I meant was that if,
>say, double pedal C (treble clef) is fingered 2nd valve, then surely the G
>a 12th higher would also. However, on tuba, the false note responding to
>this fingering would be an E, only a 10th higher. On Euph, it comes out as
>a D# (although not very cleanly). The explanation about different
>resistances for trombones makes sense, and can, I suppose also be applied
>to Euphs, which (generally) have a slightly smaller number of bends in the
>tube than Tubas do. Perhaps it is not that these notes are 3rd harmonics,
>but that they are 5th harmonics, and that the double pedals are actually
>2nd harmonics. This would concur with someone I heard who mentioned that
>it is actually possible to hit triple pedals (!). This would then be the
>1st harmonic. However these tones are so vague that the only way to tell
>really would be to get a physics lab to measure it. Of course, this would
>all have to be rather reworked if someone out there can play a quadruple
>pedal (not very likely, I'd say!). As further evidence, there's a point in
>the middle of the (single) pedal register where blowing on open (or 2nd
>valve as we had above) becomes easier. This would be the 3rd harmonic of
>the series. By the time we reach the stave, the higher (false) harmonics
>are too close to actual harmonics to hit easily. Perhaps what's actually
>happening is that any note can be expressed as an overtone of a (suitably
>subterranean) octave below the pedals, and can be hit using any fingering
>- the lower the fundamental, though, the harder the note is to hit. This
>is pure speculation, though (even more so than the above!), and if anybody
>knows it to be rubbish, please write back and tell me. It does seem to
>(partially) explain why the Euph note is only a D# though, and hard to hit - it 
>would be a 19th harmonic of the quintuple pedal. 
>
>For those who have been mathematically trained, this uses two methods of
>proof:-
>
>1)Proof by blatant assertion; and
>2)Proof by changing all the 2s to ns
>
>So, basically, it's as logically consistent as anything I've been taught
>over the last two-and-a-bit years.

Hi everyone

Did anybody actually read and understand this?

I play bass trombone in a Championship Section band.  If you blow hard,
you play loud.  If you point the air down in the mouthpiece you play
pedals.  If you blow hard and point the air down in the mouthpiece you
play loud pedals.  That is all I know.  It works fine.

An interesting discussion, which has now been taken to ridiculously
obscure levels.

Tim
A bass trombone playing English Language & Literature student
-- 
Tim Morgan, Bass Trombone, Woolley Pritchard Sovereign Brass.


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