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how to write a seventh leading tone chord for 4 part harmony for strings?. Thank you

  • In what context? – user1803551 Jul 13 '17 at 22:24
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You can do this in many different ways. The simplest way is to put the root in the cello, the third in the viola, the fifth in second violin, and then double the root in the first violin. You could also put the seventh (which would be the sixth note of the scale) in the first violin part.

So much depends on what is going on around the chord that it's difficult to answer the question with any degree of precision.

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    How does the 'seventh' become the sixth note of the scale? – Tim Jun 13 '17 at 18:17
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    @Tim, wouldn't the seventh of viio7 be LA - or LE in minor? – Michael Curtis Jun 13 '17 at 18:38
  • @Tim Imagine the key of C. vii is B. So, the root is B, the third is D, the fifth is F, and the seventh is A (this is a "half-diminished 7th" chord; a fully diminished 7th chord would use Ab). A is the sixth note of the scale in C. So, the note that is a 7th from the root is a 6th from the Tonic, if you are using the Leading Tone as the root. – BobRodes Jun 14 '17 at 2:04
  • Thanks, Bob. I had the wrong start point! That chord is basically V9 with no root, I think – Tim Jun 14 '17 at 5:16
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    @Tim: well, I wouldn't call it that. In classical theory, chords without roots are pretty avant-garde. I'd call it a vii half diminished chord, because that's what I was taught in school. vii half diminished 7th is an alternative to a V7 chord, both resolving to the tonic. (Now, if you're in a minor key, a ii dim7 resolves to the tonic. For example, in A minor, B-D-F-Ab is a ii dim7. I like to use that as an alternative harmony to the V7 in blues progressions.) – BobRodes Jun 14 '17 at 5:24

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