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Questions tagged [sevenths]

For questions related to chords with sevenths. Questions may also be tagged with the chords, chord-theory, harmony, and/or theory tag(s).

30 questions
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Why “delta” chords?

Why are major seventh chords called delta chords and written with a delta symbol, like CΔ7 or CΔ? Do engravers consistently use Δ to mean a seventh chord (such that Δ7 is redundant) or do some use Δ simply to mean major?
Bradd Szonye
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What is meant by a M next to a roman numeral?

That is, a I or V followed by an M in the superscript.
Nathan Tibbitts
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6
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2 answers

What is a 7th chord and why is it important?

What is a 7th chord and why is it important? I keep seeing it over and over again and I don't understand why it's important?
ariel
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When to use 6/9 chords instead of seventh chords

I'm learning jazz piano from the internet, and recently I learned comping the song 'But Not For Me' with a walking bass in the left hand and the harmony in the right hand. In the tutorial, my teacher replaced all seventh major and dominant chords by…
alrts
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Preparation of Chordal 7ths in Classical Harmony

What is the proper practice for preparing chordal sevenths in dominant, diminished and other chords in classical 4-part harmony? In The Complete Musician (4th ed.) by Stephen Laitz, he states on page 199 that: For V7, the approach to the dissonance…
october
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Why does the first diminished 7th in this progression not resolve?

So, I wrote this pastoral piece and it sounds good to me. One thing I am curious about though is why the first diminished 7th here builds up tension and more specifically why the restatement of C minor the first time does not feel like a resolution.…
Caters
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When would you call a 7th chord first inversion a 6th chord?

I read the question C major 6th chord and A minor 7th chord: same notes but different quality, why?, and it talks about the quality of the different chords. But when would you call a 7th chord first inversion a 6th chord? I'm sure there's other…
Lost Crotchet
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I don't understand dominant 7ths in cadences

I am confused with the following passage: Dominants are associated with a strong urge to resolve to their next chord in the circle of fifths. This particular sequence, E7 A7 Dm (or V7/V-V7-i) is a very common cadence that your ears likely favor…
Lost Crotchet
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What does a neutral 7th lead to (in maqams or in general)?

A dominant 7th leads to a major 6th and a major seventh leads to the tonic, but what does the note in between the two lead to? If you could tell me what the maqam rules for that are, that'd be fine, or in general, but maqams are the only traditional…
Musicguy
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The tonic's seventh

The tonic's seventh is both the seventh of the chord and the leading tone of the scale. So what should happen with this seventh if it needs to be raised or lowered?
Neil Meyer
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What are "MI7" and "MA7" chords?

Is it correct in this sheet that "A MI 7" means minor 7th (m7), "C MA 7" means major 7th (maj7) and just "C 7" means the dominant 7th?
Anna
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Attempt to make Jazz chord progression on 7-Limit tuning

This is a sequel to this question. Refer to it for the just ratio of the tones. Being septimal, I thought it could be used for Jazz. The chord progression I made is (Based on C): CM7 - F♯ø7 - FM7 - G, repeated. Is there a name for this particular…
Dannyu NDos
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7-Limit tuned 12 tones?

I tried to tune the 12 tones differently to gain more harmony. Rather than equal temperament or just intonation, I picked 7-limit tuning. Here're the tones: C = 1/1 C♯ = 21/20 D = 10/9 D♯/E♭ = 7/6 E = 5/4 F = 4/3 F♯/G♭ =…
Dannyu NDos
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How To Build and Name 7th Chords

I am trying to understand how to properly build and name 7th chords, the way of doing this is by adding a major/minor/diminished seventh to a triad, so having 4 chord qualities gives a total of 12 possible 7th chords, but there are exceptions as…
Cheche Romo
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In what situations can a seventh be substituted for a triad?

My understanding is that a dominant seventh can be substituted when going from V to I. so V7 to I. But are there any other situations where a seventh chord can be substituted for a triad? I'm mainly talking in the context of a simple song that only…
user34288
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