For questions about the theory behind building and naming chords.

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What is A flat to C minor?

I know that Cm is the relative minor of Eb. I noticed the Eb chord is made up of two of the same notes of Cm (beginning on the third degree). Ab is also made up of two of the same notes, but on the ...
8
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2answers
459 views

What's the caged system good for?

So I see a lot of people talking about how the caged system us good because It connects scales with chords, what I don't understand is that If I'm playing A major scale Caged system helps me find all ...
8
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1answer
313 views

Tonnetz algorithms

I'm looking for applied algorithms for Riemannian tonnetz. I was thinking first of the "big bang" approach with some of the 3D projections of tonnetz, but those are overshoot.
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4answers
6k views

Does the C chord change based on what key it's in?

Typically, the "C" is played like this in the key of C: But when I play another song, in the key of D, is the C chord still played like this? If not, how do I play it on the guitar? Likewise, if ...
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5answers
883 views

How do enharmonic notes affect harmony and chord progressions?

Quoting the Wikipedia article: The notes C♯ and D♭ are enharmonic (or enharmonically equivalent) notes. Namely, they are the same key on a keyboard, and thus they are identical in pitch, although ...
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4answers
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Decide which chord to use

I am trying to teach myself to create music. I know it is not a learned behavior and is rather a skill dependent process, but the basics have to be learned and that is where I am stuck. I play some ...
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6answers
503 views

Is there a term for chords like F/G and C/D?

Chords like F/G and C/D are really quite common in jazz, blues and soul music yet I have never heard or been able to find a concise name for them. To be clear, I am referring to any major (or indeed ...
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3answers
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How do I use slash chords in music composition?

After studying pop music composition for a while I noticed that many composers use slash chords in their music. How do I use those in my own composition? When is it more preferable to use slash chords ...
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5answers
836 views

Why do we call the Hendrix chord 7#9 instead of 7b10?

The Hendrix chord is usually mentioned when a harmony contains both the major and the minor third, together with the minor seventh. Were it a major seventh, I'd say we have an augmented 9th and thus ...
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2answers
715 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 ...
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4answers
434 views

What chord is FMa?

I'm not sure what FMa is signifying. It appears to have a 2nd and 6th added with the result of "f g c d".
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464 views

Do triads sound strongest in second inversion?

On Mark Levine's Jazz Theory book, on Chapter Five, Slash Chords, it says: Although triads can sound good in any inversion, all things being equal triads sounds strongest in second inversion. ...
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697 views

Chord progressions ending in “I” at the end of a phrase vs. the beginning of the next

Is there a generally accepted term or a useful published discussion of differences between chord progressions that resolve within a phrase (say in the fourth bar of a four-bar phrase) as opposed to ...
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2answers
1k views

“Andalusian cadences”: How are they commonly heard?

The "Andalusian cadence" I-bVII-bVI-V is commonly heard as a repeated figure in Flamenco music as well as many pop songs, e.g. "Hit the Road, Jack": In trying to ...
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3answers
8k views

Is there a general rule when to use a 9th, 11th, and 13th chord on piano

My question is mainly related to extended chord. Is there a general rule for using the 9th, 11th and 13th? I have seen in a II,V,I progression in the key of C this progression: Dm9,G13, C.
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7answers
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What is a chord with a diminished third called?

The third of the chord is one of the criteria to determine the name of the chord. If the third is major (and the fifth is perfect), the chord is called major chord ; if the third is minor and the ...
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6answers
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Is there any theory to decide a set of plausible chords per measure where a whole melody of a song is given?

I know my question looks similar to many other questions. But, please be patient with me. I'm writing this question because I can't find any appropriate answer although I have searched for it for a ...
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1answer
720 views

What to call the chord G B F# A C# F#

I wrote a piece containing the following six string guitar chord (fingering shown; first finger barre; standard tuning): %3/2.2/1.4/3.2/1.2/1.2/1 What is the name of this chord?
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2answers
836 views

Best name for chord consisting of G Eb F Bb C?

I have a chord progression in the key of C, which walks up from the IV chord up to a particular variation of the V7 chord, which I'm trying to name in a helpful way for a lead sheet. Here are my ...
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3answers
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Confused about diminished chords

I came across several guitar chords which seem to be 'diminished' chords: X° X°7 Xø Xø7 I read some articles which might provide useful informating, including the Dutch Wiki article Chord (music), ...
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6answers
443 views

When is a note b5 and when #11?

(on an Jazzology exercise) I have to identify this chord: What I thought it was was: G7 b5 b9 b13. But when I looked at the solution, it was G7 b9 #11 b13. I said that the chord had b5 because of ...
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1answer
135 views

Chord Leading Question

I've been writing for quite some time, but only recently have I begun to earnestly study up on music theory to a greater level than the basics. Given that, I'm a bit confused on one thing: Do chord-...
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2answers
692 views

Minor scale chord substitution

Considering the C major scale we can build the following table of chord function families: To a certain extent, inside each family chords can be interchanged to give a different flavour to a music ...
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5answers
500 views

What note type in the 7th of a chord? - Music Theory

If this diagram is accurate, would the 7th of a Bmin7 be formed from a minor 7th interval or a major 7th interval, e. g. A-natural or A-sharp? I'm assuming A-natural. If this line of thinking is wrong,...
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3answers
101 views

Which chord is Cm6?

I am not sure if this is an inversion or some other chord. Notation is Cm6. Is this an inversion of C minor chord? Or is it a sixth chord of some sort - C minor with a sixth added? Key signature ...
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2answers
215 views

What is a chord in terms of frequencies?

I'm trying to understand what chords are in terms of frequency. So I get that each note represents a frequency range. For instance, an "A" note in the third octave (A2) is ~110hz. An A major chord (...
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6answers
2k views

Ending a song with a dominant chord

As far as i know, almost all songs end in the tonic chord, because this is the most "stable" condition. On the other hand, a dominant chord at the end of a progression (or song) sounds "incomplete". ...
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3answers
3k views

What are the chords in the harmonic minor and the melodic minor scales?

I want to know what the chords are in the harmonic and the melodic minor scales. Like if we take C major scale, then the chords are C Dm Em F G Am Bm(b5) C If we take C natural minor scale, then ...
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3answers
812 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 ...
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2answers
557 views

A triad is 3 notes, but on guitar, we strum more than 3 strings?

In music theory, I see that a triad is a chord built with three notes. Take Emaj in example; it is built with E,G#,B. But why when we strum all the six strings of the guitar does the harmony still ...
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8answers
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Why does a minor sixth chord contain a major 6th interval?

This is something that has always puzzled me. Perhaps I am going about this the wrong way but when I build chords I always build them based on the scale that corresponds to the quality of the chord. ...
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1answer
331 views

Best name for a chord consisting of D - E - F?

What is the best notation for this guitar chord? V о─┬───┬───┬───┬───┬── e ──┼───┼─•─┼───┼───┼── f ──┼───┼───┼─•─┼───┼── d о─┼───┼───┼───┼───┼── d ×─┼───┼───┼───┼───┼── ×─┴───┴───┴───┴───┴── ...
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3answers
440 views

Are flat 6ths ever used?

I see that 3 minor 6th intervals can fit into the diatonic scale, but I never see any mention of flat 6th chords in any chord encyclopedia or diagrams etc... So whats with these chords not making an ...
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2answers
482 views

What's the difference between chord inversions, open voiced triads and drop 2 chords on guitar?

For guitar, I'm having a hard time trying to understand the difference between chord inversions, open voiced triads and drop 2 chords.. currently I'm trying to study the essential chords in Ted Greene'...
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1answer
718 views

Minor major seventh flat five chords: do they exist, and if so, how should they be used?

When randomly playing chords, my husband and I stumbled upon an interesting four-note combination of C, Eb, Gb and B natural, which sounded pretty nice to us despite the dissonance. This looks like a ...
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2answers
1k views

How to determine which inversion a chord is?

Say I'm given the notes like this. How do I determine whether it's already in root, 1st, 3rd, or 7th inversion?
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6answers
3k views

How long should each chord in a chord progression be played?

For example I am making a 16 bar chord progression for a verse of a song and choose to use the I , IV , V chords of a major scale.. How can I put these chords in a nice rythm so they sound good and ...
5
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1answer
246 views

Relation of the diminished chord to the circle of fifths?

Within each key there are seven chords. If I understand it correctly the "first" six correspond to the minor and major variants of the current key and its immediate neighbors in the circle of fifths, ...
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6answers
301 views

The teaching of scales, chords and keys

A question for the music educators out there. What are we doing wrong that is causing so many young musicians to ask so many questions based on the misapprehension that only certain notes and certain ...
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3answers
2k views

C major 6th chord and A minor 7th chord: same notes but different quality, why?

Simple question: many have noticed that the A minor 7th chord is the an inversion of the C major 6th chord. However, the more interesting this is why they have different quality (as minor and major) ...
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1answer
168 views

What is the clearest way to signify the harmonic function of a polychord?

Chords can be analyzed with roman numerals to indicate function: C, Am, Dm, G I, vi, ii, V (or I, VI-, II-, V in jazz theory) And inversions may be analyzed by adding an arabic numeral indicating ...
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1answer
362 views

What do the numerator and denominator of a chord name in roman numerals mean?

I'm reading a paper on music theory and I keep coming across names of chords expressed as a fraction - I/I, I/V, ii/I, etc. Based on the use of these names in the paper, I'm reading this as: I/I: A ...
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3answers
503 views

How to interpret non-diatonic note?

This might look like is just curiosity to know something about one particular song, but is not, I'm hoping it'll help me understand better when I'm doing song analysis. I keep struggling when ...
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4answers
199 views

Notation and construction of 13th chords

Firstly, I would like to ask whether 13th chords by default have a minor, major or diatonic 13th or is it contextual to the 3rd used. E.g. Am13 in the Aeolian mode: Is the 13th F or F# (F being ...
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6answers
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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 ...
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3answers
422 views

Can we use scales that belong to the chord that is in the scale you planned your composition to be in?

Can we use scales that belong to the chord that is in the scale you planned your composition to be in? For example I'm in a G major chord and there is a D major chord too, can I use the D major scale?
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5answers
197 views

How to create an interval from a note which doesn't start a major scale

When constructing an interval, e.g. a major third from A I work like this: Count three notes including the starting one, so A, B, C Now check on the circle of fifths whether A major scale has an ...
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4answers
741 views

Major Seventh chord with root note as melody : why the dissonance?

In wikipedia page - jazz chords : Major Seventh it is said that "if the melody note is the root of the chord, including a major seventh can frequently cause a harsh dissonance". But since the root ...
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2answers
178 views

Is there a special name for “I - V - i” or “i - V - I” Modulation?

Recently, while listening to contemporary and pop music, I discovered that many song uses an I - V - i or i - V - I modulation. For example, C major to G major to C minor. I want to know whether there ...
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2answers
259 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 ...