[Smt-talk] prolongation
Nicolas Meeùs
nicolas.meeus at paris-sorbonne.fr
Sun Jul 17 11:16:56 PDT 2011
Le 17/07/2011 17:15, Eytan Agmon a écrit :
>
> (1)I believe that Schenker would also not regard (say) the “global”
> prolonged tonic as belonging to the same level as the I-V-I by which
> it is prolonged.
>
Indeed. And this is why I consider that the two tonics in I–V–I are not
the same as the prolonged tonic (and that, as Ildar told us, the second
I is not the same as the first).
>
> (2)A chord progression Y-X-Y assumes that X and Y occupy the same
> “tonal space” (=diatonic system).
>
For Schenker, the "tonal space" certainly is not the diatonic system.
The concept is described mainly in /Erläuterungen/ (/Der Tonwille/ IX
and X, /Das Meisterwerk /I and II). Schenker writes:
/Die Tonräume des Klanges misst die Urlinie aus und bringt den Klang so
erst zum Ausdruck, zum Bewustsein/. /Die Urlinie ist ersters Durchgang,
als solcher erste Melodie und zugleich Diatonie. Andere Taunräume als
1-3, 3-5, 5-8 gibt est nicht, eienen anderen Ursprung des Durchganges,
der Melodie gibt es nicht.
/In Ian Bent's translation: "The Urlinie measures out the tonal spaces
within the chord, and thereby articulates the chord for the first time,
bringing it to consciousness . The Urlinie is the first passing-tone
progression [/erster Durchgang/]. As such it constitutes the first
melody, and at the same time provides the diatonic content [/Diatonie/].
There are no other tonal spaces than those of 1–3, 3–5, and 5–8. There
is no other origin for passing-tone progressions, or for melody."/
/Remarks about the translation (none of these are extremely important, I
would hate to seem pedant about this; but they are slightly irritating):
– One possible translation of /Ausmessen/ is "to pace": it is by pacing
the tonal spaces that the Urlinie takes their measure, and the pacing
may be more important than the measure. [Note that the Urlinie, in this
particular text, is an ascending line. It is changed in a descending one
in fig. 4 of /Free Composition/, where Schenker nevertheless stresses
its articulation on ^8 ^5 (^3) ^1 and its relation to the chord from
which it emanates. The "diatony" (which is not exactly the diatonic
system) results from the pacing of the space.
– Schenker really writes "...thereby brings the chord for the first time
to expression, to consciousness". Ian Bent translation of /Ausdruck/ in
"articulate" might refer to an expression in words, but this remains
unclear.
– "The Urlinie ... _is_ the first melody and at the same time _is_ the
/Diatonie/"; Schenker does not seem to refer to _providing_ a diatonic
_content_/./
Tonal spaces are at first empty spaces. Any filling is dissonant, while
the spaces themselve must be consonant [let's leave aside the problem of
7th chords]: /
Der este Urlinie-Durchgang is dissonierend (Sekund, Quart, Sept).
Die Dissonanz wird in eine Konsonanz verwandelt, weil im Gegensatz zu
jener nur diese allein mit ihren Tonräumen (siehe oben) wieder zu neuen
Durchgängen, zu neu sich zweigender Melodie führen kann. Dies geschieht
nun durch Prologationen in immer neuen Stimmführungsschichten/, etc.
Ian Bent translates: "The first passing-tone progression comprised
by the Urlinie generates dissonance (second, fourth, seventh).
Dissonance is transformed into a consonance because only consonance,
with its tonal spaces (as shown earlier) can, by contrast with
dissonance, promote new passing-tone progressions and freshly burgeoning
melodies. This comes about through prolongations in ever-renewing layers
of voice-leading..."
Remarks about the translation:
– Schenker does not say that the Urlinie _generates_ dissonance, but
that it _is dissonant_.
– The new tonal spaces do not _promote_, they _lead to_ new passing-tone
progressions.
– /sich zweigender/ belongs to Schenker's sophisticated German; it means
"developing into new branches".
X does not occupy the same tonal space as Y: insofar as it is made
consonant (by other parts of the voice leading), it creates a _new_
tonal space, probably within the same diatony. I suspect however that
Schenker is not strict about keeping to the diatony: passing notes may
include a b7 or a #4...
The chord (/Klang/) has no conscious existence before it is
expressed in prolongation. This confirms the idea of the chord initially
being but an abstraction, a concept (/Harmonienbegriff/), as already
stated in /Harmonielehre/.
> (3)There exists a logical interdependence between the vertical and
> horizontal dimensions, in particular, between progressions involving
> triads and seventh chords and what I call (/Musikometrika/ 3, 1991)
> “efficient” voice leading.
>
> Therefore, as far as I can see, the Y-X-Y model “lets Y grow” in much
> the same sense as Schenker’s. (Melodic prolongation is analogous, yet
> distinct from harmonic prolongation.)
>
We are speaking of descriptions. The Y–X–Y model appears merely to
describe a 'pendular' situation, what Sadaï names the "a–b–a pattern".
Schenker's description as prolongation appears to add strong precisions
about how X relates to Y through voice leading (and certainly not by
mere juxtaposition). Isn't the efficient voice leading merely a
consequence of the structure of chords as piling 3ds, with the result
that any note in between the borders of the tonal spaces is adjacent to
at least one (and often both) of these borders?
In addition, not all prolongations result in embedded chords.
Nicolas Meeùs
Université Paris-Sorbonne
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