I think the rule is thus. Clefs shall have no effect on accidentals
and therefore notes after the clef change are altered by courtesy
accidentals for ease of legibility or where the note occurs in a
different octave which requires, in strict notation, its own
accidental. On the reasoning that they, clefs, simply define where the
pitches fall on the staff and no other information. I am pretty sure I
have read that somewhere more authoritative than my cluttered head or
the internets, but can't unfortunately cite the actual book.
Shane
On Wed, Jan 5, 2011 at 9:12 PM, Reinhold Kainhofer
<reinh...@kainhofer.com> wrote:
> Am Dienstag, 28. Dezember 2010, um 15:44:22 schrieb Reinhold Kainhofer:
>> Am Dienstag, 28. Dezember 2010, um 15:14:05 schrieb David Kastrup:
>> > Reinhold Kainhofer <reinh...@kainhofer.com> writes:
>> > > I would be great, though, if anyone can find a published example of
>> > > such a situation (most likely in e.g. cello/bassoon parts/scores,
>> > > which frequently switch between bass and tenor clef).
>> >
>> > Edition Peters, piano excerpt by Brissler from Mozart Requiem,
>> > "Confutatis". The g in the corni di bassotto entry is not even in the
>> > same octave, and still gets a natural.
>>
>> Also, in the Bärenreiter piano reduction of Bach's Christmas oratorio,
>> measure 7 of the Choral Nr. 23 ("Wir singen dir"), p.72 of Bärenreiter BA
>> 5014a.
>>
>>
>> There is a dis' in treble clef, followed by a d in bass clef. That d gets a
>> natural cancellation.
>
> I have now also looked at several cello parts of my girlfriend. For example,
> in Dvorak's cello concerto (1955, Schott edition, Revision by Enrico Mainardi)
> there is the following image (notice the e natural after the clef with the e
> flat before the clef):
> http://picasaweb.google.com/lh/photo/RILU4L-9yytXkwELD607_FgxyXiAQ8P3wVPB2tHCMdU?feat=directlink
>
> Also, in Schumann's cello concerto there is the following measure (the last
> measure in the image has two d, where the natural is repeated after the
> clef!):
> http://picasaweb.google.com/lh/photo/A1Nm3cUd0o4W28xaJx001VgxyXiAQ8P3wVPB2tHCMdU?feat=directlink
>
> So, it seems there is no clear rule that a clef cancels all accidentals in the
> current measure so far. But most of the time, the accidental is given as some
> kind of cautinary/courtesy accidental.
>
> Cheers,
> Reinhold
> --
> ------------------------------------------------------------------
> Reinhold Kainhofer, reinh...@kainhofer.com, http://reinhold.kainhofer.com/
> * Financial & Actuarial Math., Vienna Univ. of Technology, Austria
> * http://www.fam.tuwien.ac.at/, DVR: 0005886
> * LilyPond, Music typesetting, http://www.lilypond.org
>
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