[Smt-talk] "Neighboring" 6/4 Chords
Donna Doyle
donnadoyle at att.net
Mon Oct 3 07:28:13 PDT 2011
I almost agree with Dmitri that "it's better to get rid of the terms
'neighboring' and 'passing' chords."
I almost agree in that I think the N 6/4 is misnamed. As David Headlam
points out, the N 6/4 is an
embellishing chord; actually, all three named 6/4s are embellishing.
Since the other two are
identified by their bass activity, a better label for the N would be
"Pedal 6/4." This would allow for
various upper-voice activities (e. g., "walking the bass" [in both
classical and jazz]). These
various upper-voice workings-out could become sub-categories, i. e.,
"P above the Ped,"
"IN above the Ped," etc.
RE Matt's original query: I agree with Scott Murphy--that a bare 6/4
above an ascending step-wise
bass suggests IV - V 6/4 in the dominant key. Of course, metric accent
would play a role.
Best,
Donna Doyle
Queens College
_____________________
On Oct 2, 2011, at 9:05 AM, Dmitri Tymoczko wrote:
>> I find when instructing undergraduates in core harmony courses that
>> students accept the guidelines we provide for part-writing much
>> better if they understand the reasoning behind them. I'm at a loss,
>> however, to explain why common-practice composers rarely used a 6/4
>> chord above scale degree 2 as a bass neighbor motion expanding tonic.
>
> Sorry for being dense, but I'm not exactly sure I understand. As I
> read it, you are asking for an explanation of why we don't often
> find progressions like:
>
> (C4, E4, G4, C5)->(D4, D4, G4, B4)->(C4, E4, G4, C5)
>
> I guess my first question is whether you can think of any common
> tonal progression in which a 6/4 chord acts in this way, with the
> bass moving in neighboring fashion (e.g. IV->I6/4->IV). Off the top
> of my head, I can't think of one, on any scale degrees. So
> "neighboring 6/4 chords" typically involve fixed bass. But that's
> just a restatement of your question, I guess.
>
> My second thought is that this sort of question has convinced me to
> abandon the term "neighboring 6/4 chord." If you use the term, you
> create the (reasonable!) expectation that there is a general
> procedure here -- "6/4 chords can be used to create neighboring
> motion." But common-practice music doesn't bear out this
> expectation. The vast majority of "neighboring 6/4 chords" fall
> into just a couple idioms or schemas -- chiefly I->IV6/4->I and V-
> >I6/4->V. (I'd wager that upwards of 98% of the "neighboring 6/4
> progressions" are in these two categories.) Progressions like ii-
> >V6/4->ii and vi->ii6/4->vi, which are perfectly neighboring, don't
> ever appear.
>
> So I have reluctantly concluded that it's much better just to get
> rid of the terms "neighboring" and "passing 6/4" chords and to speak
> of a small number of idioms instead. This more particular
> (idiomatic or "schema-based") explanation correctly gives the
> expectation that there are just a couple relevant progressions,
> occurring on specific scale degrees, and expressing specific
> harmonic functions. The problem with more general explanations is
> that they suggest there should be a more general phenomenon, but
> there really isn't.
>
> We've actually discussed this on the SMT list previously, I think.
> There may be relevant posts in the archives.
>
> DT
>
> Dmitri Tymoczko
> Associate Professor of Music
> 310 Woolworth Center
> Princeton, NJ 08544-1007
> (609) 258-4255 (ph), (609) 258-6793 (fax)
> http://dmitri.tymoczko.com
>
>
>
>
>
>
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