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Author Topic: [Piano] What's this called?  (Read 13544 times)

october1983

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Re: [Piano] What's this called?
« Reply #50 on: 23 Feb 2010, 07:02 »

see also: power chords
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Thrillho

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Re: [Piano] What's this called?
« Reply #51 on: 23 Feb 2010, 07:12 »

Doesn't that mean that power chords aren't technically chords?

sean

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Re: [Piano] What's this called?
« Reply #52 on: 23 Feb 2010, 08:03 »

you just need three notes for a chord. like, c c e would be a chord.

what would the technical term for a two note chord be then paul, because technically i know you need 3 notes for a chord (also im not actually making things up i am currently pursuing a music degree.)
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october1983

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Re: [Piano] What's this called?
« Reply #53 on: 23 Feb 2010, 13:05 »

A power chord is a a chord-like pseudo-triad! And a two-note chord is a dyad.
« Last Edit: 23 Feb 2010, 13:08 by october1983 »
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pwhodges

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Re: [Piano] What's this called?
« Reply #54 on: 23 Feb 2010, 13:08 »

It seems that usage varies:

Chord:
"A group of (typically* three or more) notes sounded together" (various Oxford dictionaries);
"The simultaneous sounding of two or more notes" (Grove Concise Dictionary of Music);
"Any combination of notes simultaneously heard can be called a Chord" (Scholes Oxford Companion to Music).

A Triad is a chord of three notes, being (to simplify) the root, third and fifth of a scale; I have seen the analogous Dyad used for a chord of two notes, but not often.  More frequently, just the interval is mentioned, as in saying that a piece ends with an open fifth - Hindemith, for instance, follows this usage in his "Craft of Musical Composition" (page 57, for example).  Harmonically, of course, two-note chords are essentially uninteresting, not least because they have no inversions.

* Note, "typically", not "necessarily"
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Zingoleb

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Re: [Piano] What's this called?
« Reply #55 on: 23 Feb 2010, 13:18 »

And a two-note chord is a dyad.

Two note chords are tree spirits?

Now yr just making shit up
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Re: [Piano] What's this called?
« Reply #57 on: 23 Feb 2010, 13:24 »

I linked Wikipedia; but Dyad is a useful word.

Incidentally, double stopping (as a technique) doesn't necessarily generate a chord.  It is quite frequent that double stopping is used to generate a unison between two strings.  Bartók does this a lot, from his First String Quartet through his Violin Concerto to his late Sonata for Solo Violin.  

Of course we could now argue whether two strings playing the same note form a unison chord  :evil: - well, it's hardly an interval, is it!
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IronOxide

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Re: [Piano] What's this called?
« Reply #58 on: 23 Feb 2010, 13:41 »

If we really want to play that game, due to tuning issues on the violin, that is just a microtonal dyad outside of our traditional tonal system.
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Re: [Piano] What's this called?
« Reply #59 on: 23 Feb 2010, 14:25 »

but if a chord is the "juxtaposition" of notes, how can you play, say, a d-minor chord on the violin?
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Re: [Piano] What's this called?
« Reply #61 on: 23 Feb 2010, 15:44 »

but if a chord is the "juxtaposition" of notes, how can you play, say, a d-minor chord on the violin?

By sounding up to four strings simultaneously.  Even Bach wrote lots of such chords - think of his great Chaconne for solo violin.  With a normal bow and string tension, you can't bow all four strings together, but two is trivial, of course, and three can be done with a bit of pressure; four is a matter of spreading the chord and letting the lowest string resonate.
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