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Questions tagged [sevenths]

The tag has no usage guidance.

2
votes
4answers
108 views

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 ...
1
vote
3answers
99 views

How to practice sevenths?

I'm trying to figure out a good way to add sevenths to my practice. One thing I did with triads is I'd take a scale, and then starting from each note in the scale play the arpeggio for the ...
1
vote
6answers
69 views

Dominant seventh vs Dominant function

I saw how in the major scale the diatonic functions are: I - tonic IV - subdominant V - dominant and the V7 is called a dominant seventh Also in the natural minor scale the diatonic functions are: ...
0
votes
3answers
98 views

Practicing triads/sevenths or both?

For eg, if we are learning the key of C, do we need to Learn all triads ie. ceg, dfa etc or can we just learn 7th chord qualities like CEGB, DFAC etc. and those will indirectly give access to the ...
1
vote
1answer
47 views

How is this bar an example of the rule given in Tonal Counterpoint text?

The rule given in Green and Jones' The Principles and Practice of Tonal Counterpoint is: The seventh may move into another voice before resolving, but when the harmony changes it will almost ...
1
vote
1answer
143 views

Why harmonic seventh seems irrelevant?

I've been learning about the science behind music and came across the harmonic seventh interval as 7:4 ratio. Now we know that it's generally not used in just intonation as well as equal temperament. ...
1
vote
3answers
942 views

How is a secondary dominant used for modulation?

In the Reddit FAQ question How are 7th Chords Used?, the following explanation appears: Dominant 7th chords are also useful in modulation as secondary dominants - the addition of the seventh will ...
-2
votes
2answers
460 views

What is the chord: B F# A

So I was analyzing a song on the piano and saw a broken chord with notes B, F# and A (all ascending). Now it looks like root note, perfect fifth and minor seventh. If you add minor third, it becomes ...
3
votes
2answers
279 views

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 ...
3
votes
3answers
181 views

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) ...
15
votes
2answers
10k views

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 ...
3
votes
1answer
194 views

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, ...
3
votes
3answers
1k views

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?