The action of labeling a chord with a name.

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2answers
81 views

Chord Type 7th Extension and the Major Scale

I'm learning about music theory and noticed that a C7 chord is based on the following notes: C E A# C E. I imagined a C7 chord should be based off the major scale where the 7th degree is the note B, ...
6
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1answer
451 views

What are 5 and 6 note chords called?

I only know how to play 2 different types of chords which is a Triad (3 notes) and a 7th (4 notes). But, I often see chords with 5 or 6 notes being used. What are these types of chords called? An ...
4
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2answers
153 views

7/6 no 3 or 13 no 3, 9, 11; which chord name is more correct (if any)?

Which name is better, more correct? C13 is C E G Bb D F A. If we remove the third, ninth, and eleventh, we get C G A Bb. Would C13 no 3, 9, 11 be an correct name? I've found that same chord named ...
9
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5answers
421 views

Looking for letter-based chord identification algorithms, and related literature

I'm searching for chord recognition algorithms that will assign a chord name(s) to a group of notes, and related literature. Sometimes known as reverse chord identification, where you feed notes to ...
4
votes
5answers
656 views

Naming two-note chords

Is there a convention about how to name two-note chords? I noticed that software like Apple Logic Pro names two-note chords like this: Db C = Db no 3 ma7 C Eb = Cm So I'm assuming the dynamic for ...
3
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3answers
206 views

Pentatonic scale chords

The pentatonic scale often has chords that are 4 or 5 semitones apart (CEA, GCE, etc.). How do you describe these chords? Is the only way to describe them as major/minor chords but with a different ...
3
votes
4answers
231 views

What is the best way to organize chords/keys in a database (details below)?

I am working on a project that involves putting together a database of chords/keys, and I'm wondering what you guys think is the best way to categorize each chord/key. For example, if I want users to ...
10
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6answers
176 views

Why aren't intervals zero-indexed?

Note: italics such as "2nd" refer to my proposed notation; existing notation is written without italics: "2nd". Why is the interval between C and D called a 2nd, as they are 1 note apart? Surely this ...
4
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4answers
373 views

What does a number inside a parentheses in a chord name mean? Example: B(7)#9b9

What does a number inside a parentheses in a chord name mean? Here are some examples I have found: B(7)#9b9 no 5, Ab(7) #9#11 no R, A(7)b9sus no b7 . For context, I found them on this James Hober ...
3
votes
2answers
168 views

Chord notation for stacked and inverted chords or intervals?

I understand how chord notation works for the most part, but I'm wondering how I would notate intervals, octaves, and specific chords. P1, m3, & P5 is Cmin. P1, P5 is C5 But, how do we notate P1 ...
7
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2answers
308 views

What is a 7/6 chord?

I am reading James Hober's paper "The 43 Four-Note Qualities", that is based on a Ted Greene paper. You can find it here. It mentions that there are a total of 43 four-note qualities, nothing more ...
3
votes
1answer
87 views

What is the most common way to notate dominant chords with a sharp fifth?

Is just adding #5 a common practice? As in: D Gb Bb C E G = D11#5 I've seen it also as D11+. Is there a more conventional way to notate this?
2
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3answers
200 views

Looking for a list of common 4-note chords

I'm looking for a list of common 4-note chords. So far, I have: maj7 min7 7 min7b5 dim7 minmaj7 maj7#5 7b5 7#5 And that's it. I know I'm missing many, like 6th chords, or probably other common ...
8
votes
2answers
293 views

How do you name chords in 20th Century Music? (Chords stacked in intervals other than 3rds)

This question stems from some thoughts on List of possible trichord/triad names.. When you stack chords in 3rds, you get all the standard chord names of Major, minor, 7 etc, but what about when ...
4
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3answers
352 views

List of possible trichord/triad names

I'm looking for the names that trichords can have. I know chord naming and recognition is a complex dynamic, and context is important; but for now I'm only looking for names that are assigned to ...