Forwarded message:
> From ms4a004 Tue Feb 16 18:15:21 1999
> Subject: Re: R: Transitus irregularis
> To: [EMAIL PROTECTED] (Angelo Pagan)
> Date: Tue, 16 Feb 1999 18:15:21 +0100 (MET)
> Cc: [EMAIL PROTECTED]
> In-Reply-To: <002001be59a0$a24f54a0$[EMAIL PROTECTED]> from "Angelo
>Pagan" at Feb 16, 99 12:36:43 pm
> From: [EMAIL PROTECTED] (Eckart Begemann)
> Reply-To: [EMAIL PROTECTED]
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> >
> > The "transitus irregularis" is described, for example, in the method fo
> > figured bass said to be written by W. A. Mozart (which I suppose to have an
> > english translation). Well, that book names it "transitus irregularem" but
> > this is not a correct Latin...
>
> quite! :-) s/us/um/ !
>
>
> I bought this booklet 10 days ago in German!
>
>
> > It is also cited, with a few examples, in an Italian book about figured
> > bass. I'm very sorry but I don't know the english language literature on the
> > subject.
>
>
>
> > The transitus irregularis is used in ancient Italian literature (not very
> > often: you know that the Italian figured bass uses very few symbols) and in
> > German one (I'm not at home so I can not cite any author... tomorrow if you
> > are interested).
>
>
> There are in fact quite a number authors.
> Carl Philipp Emanuel Bach mentions it, also
> J.D. Heinichen, ...
> It will be in Mattheson's essay too, I guess,
> and in Tuerk's.
>
>
> As far as I know even earlier authors like Christoph Bernhard have it.
> In German there are different names for this "Durchgangsnote":
> "harter" or "schwerer" Durchgang.
>
> The "usual" Transitus would happen on an off-beat (a 'light beat' if you
> say so), passing a note which does not belong to the harmony.
>
> The "transitus irregularis" passes a note which does not belong to
> the harmony *on the strong* beat (positio instead of levatio),
> so the following not is the one which actually belongs to the harmony.
>
> A typical case is the one of the figure 5/2 on the beat: Usually
> the bass line would move one step down, resolving in the
> six-chord.
>
> JSB (and others) as far as my experience reaches do figure these
> "transitus irregulares" on the beat, using figures like:
> 5/2 , 7/5/2, 7/4/2, even 6/4/2 (signifying the root chord,
> being reached from downwards, cf John's Passion (Matthew's?), Choral
> "Ach grosser Koenig".)
> or even 5/3/2, and 5/4/2, and others.
>
> But in some rare cases I met that slash "/" which Angelo was talking of.
> If you want to print it within PMX, Angelo, you have to use
> inline-TeX, one of PMX's great features, once you have discovered it!
>
> PMX accepts only the ciphers 0,1,...,9 as figures.
> 10,11,...,14 (Caccini) cannot *directly* posted to the TeX-file.
> But if you use the \Figu{}{}-Macro, anything should be possible.
>
>
>
> > The meaning is very simple: suppose you have a "d" with transitus
> > irregularis followed by "c" numbered "2". You should execute on the first
> > "d" the harmonization of the "c" numberd "2", that is you anticipate on "d"
> > the harmony of the following "c". Just the opposite of the continuation of
> > the prior harmony over a new bass note.
>
>
>
> > It has more than one possible symbol (written under the note at the height
> > of the numbers):
> > 1 - nothing (alas: this is an Italian use...)
> > 2 - a circle
> > 3 - an ancient trill sign (^^^^)
>
> ah, I think I remember Carl Philipp mentioning this sign, in his printing
> it looks like a "Gothic" 'm', (\mathfrak{m}). He also mentions the
> circle, right, and the slash.
> But in 'actual music' I have not come across these signs, only the slash,
> which has CPE's preference, if my memory tells me right.
>
>
> > 4 - a \cup sign
> > 5 - a slash
>
>
> > So, my problem is to have the effect of the continuation "0", but instead of
> > a line to see a circle, or a trill sign, or a \cup or a slash.
>
> See above: Does this give you some help?
>
> You would have to code *before* the transitu irregulare
> (Ablativus locativus, if I am not mistaken ... :-)
> "\Figu{4}{/}\ "
> or
> "\Figu{4}{$\circ$} "
>
> (Leave out the quotation marks '"', of course.)
> there first argument ('4') being the height the figure should be appear at.
> Just try different numbers instead of 4, and see the difference.
>
> If you try to use $\cup$ you will run into difficulties, because
> this control sequence has been redefined by MusiXTeX,
> printing a dotted eighth with stemp up, which might surprise you
> as a figure ....
> But why not introduce a new symbol for the Tr.irr.???? :-)
>
>
> >
> > I hope this description is sufficientely clear, but English is not my mother
> > tongue...
>
> neanche la mia ...
>
> Spero che ti possa aiutare con questi 'hints'.
>
>
>
> Ciao,
> Eckart Begemann
>
> Saluti a La Serenissima! :-)
>
>
> --
> Quality Control | Eckart Begemann
> --------------- | [EMAIL PROTECTED]
> A Professor of Skills Scientific |
> Said, Don't confuse GOOD with PROLIFIC |
> Put quality second: |
> What's usually reckoned +------------------------------------
> Is how much, and not how terrific. Michael M. Stewart, MD, Elmhurst, NY
>
--
Quality Control | Eckart Begemann
--------------- | [EMAIL PROTECTED]
A Professor of Skills Scientific |
Said, Don't confuse GOOD with PROLIFIC |
Put quality second: |
What's usually reckoned +------------------------------------
Is how much, and not how terrific. Michael M. Stewart, MD, Elmhurst, NY