Questions tagged [chord-theory]

For questions about the theory behind building and naming chords.

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3
votes
3answers
96 views

Compelling Use of Non-diatonic Chords in Rolling Stones

"Brown Sugar" by The Rolling Stones is in C major, but makes forays into E-flat major (based on the preview of the sheet music at least!). My guess is that the inclusion of these chords can be ...
1
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1answer
181 views

Questions on writing a Roman-numeral analysis

In bar one, should I write chord I twice or should I write I_________ Also, in bar 3, am I right if I added chord symbols to each of the last three notes or should I add it to only one?
4
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5answers
889 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 ...
4
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3answers
296 views

Did Jeff Beck “play the changes” on Goodbye Porkpie Hat?

I have read several different accounts of Charles Mingus' reaction to Jeff Beck's cover of Goodbye Porkpie Hat. One account says he liked it and sent Jeff a note saying this while another says he didn'...
3
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2answers
526 views

Strikethrough and Roman numeral analysis in Schoenberg

I've bumped into this very brief analysis in Structural Function of Harmony by Schoenberg and I've found that strikethrough V. Now, the chord is an D diminished seventh chord, leading to the dominant ...
3
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1answer
50 views

Difference between iii/IV and vi in analysis?

I am trying to follow along this music theory video. The song analyzed is Merry Christmas Mr.Lawrence by Ryuichi Sakamoto. The main chord progression is IV - iii/IV - iii - vi - V7 My question is ...
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3answers
116 views

Guitar chord notation with numbers

I play moderate level guitar in church. In relation to the numbering system for musical notes, I have seen in songs showing the chord changes, there would be an E2 or an A2 chord along with an E or A ...
2
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2answers
89 views

Weird question for scale degree name

I am taking AP Music Theory at school, and today, during a diagnostic test, I came upon a question that I have never encountered. I was to name the scale degree name for a chord, consisting of C#, E, ...
7
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1answer
123 views

How does a minor major seventh chord have tonic function when it's so unstable?

In a minor key, the chord built on the tonic can be a minor sixth or a minor major seventh chord, both of which are supposed to have tonic function. To my ear, the minor sixth chord can feel like "...
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3answers
74 views

C chord - Fret Dependency

Traditionally, the C chord is shown on a ukuele as the first string, third fret. However, the third string played open is also a C. Could this be thought of as C just being played in a different ...
0
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1answer
51 views

How to calculate a simple chord progression (C major) [duplicate]

Good day, I don't remember and cannot find any information about the "formula" I got from my music teacher very long time ago which establish a simple chord progression, let's say in C C major, D ...
11
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8answers
12k views

Why does the standard fingering / strumming for a D maj chord leave out the 5th string?

See below the chord diagram for a D Maj chord on guitar in standard tuning. Notice how the 5th string is X'd-- not to be played. But the 5th string is A when played open, which is part of a D Maj ...
4
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1answer
607 views

What two keys are associated with a fix dominant 7th chord?

The following exercise has me bewildered: As you can see I instinctively flatted the E and made the key the dominant 7th chord of Bb major. What other key could the author be looking for? ...
2
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1answer
54 views

Would the notes used in this chord make up just a plain G chord?

I am transcribing "Bell Bottom Blues" on the guitar. In the intro picking I think they're using this chord that just uses the notes in this order: G, D, B, G. Would this be called a G chord? The ...
2
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1answer
59 views

Calculating consonance/dissonance (i.e. need for resolution) from list of frequencies [duplicate]

Is anyone aware of any formulas that can be used to calculate consonance or dissonance from a list of frequencies (in hertz)? I realize consonance/dissonance is a somewhat nebulous concept. What I ...
4
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3answers
404 views

Guidelines for writing a chord progression

I am trying to understand how does notes relate to each other when writing a chord progression. I understand that when composing on a Major scale chords acquire a function depending on the degree of ...
6
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2answers
168 views

Exercise from second chapter of Harmony by Walter Piston

Exercise 7, j. : With G sharp as the soprano note, write in four parts a triad in first inversion, with the subdominant of G sharp minor in the bass. It seemed to me that such a chord does not exist. ...
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3answers
82 views

In the key of Eb, need help identifying chord, F Ab Bb Eb

So I started with this: Eb G Bb Eb. Easy. Eb major. Then I moved to this --> Left Hand G | Right Hand F Bb D My inclination is to write that as a Bb/G, but any MIDI chord identifier calls it a ...
1
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1answer
94 views

Personal Taste or Something Else (9th and minor 7th chords) [closed]

Probably this is a matter of personal taste, but I thought I might ask to be sure that there isn't a more in-depth explanation out there. To my ear, 9th chords and minor 7th chords are oddly ...
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9answers
771 views

How do I find suitable chords for a melody or a song? Or How do I come up with chord progression?

I have spent some time reading a book that taught me different types of chords and different scales and I understand them very well. But the book didn't really expand on how to actually use these ...
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5answers
8k views

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 ...
2
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1answer
275 views

What are the different qualities of the intervals? [closed]

I know that a 3rd decides the emotional quality of a chord, but what about the 5th? What does the 7th do? The 2nd, 6th, and 9th?
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4answers
104 views

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 ...
3
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1answer
317 views

Analyzing Ryuichi Sakamoto “Merry Christmas, Mr. Laurence”

The original song is not in C Maj key but the sheet I Have is in C Maj so let just see as the key is in C maj (The [B] part starts 1:50) How does the Gm (Vm) come ...
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0answers
95 views

Chords Piano Right Hand

Is there a diagram of all chords with the same melody note on top? with voice leading? with 7th? Eb G C | E G C | E A C | F A C | F A D | F# A D | b3 5 1. 3 5 1. 3 6 1. When one is ...
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4answers
52 views

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 ...
3
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3answers
996 views

Acoustic guitar chords' positions vs those of a Bass guitar

I will appreciate who can acknowledge me about the differences of chords on an acoustic guitar's fret board with that of a 4-string Bass guitar. how could we perform one's chord on another's and how ...
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2answers
79 views

Standard Chord Naming Conventions

I am developing some software for music production, I am now coding some classes for Chords, but I came to realize that I understood much less than I thought. What I am trying to do is to rip apart ...
4
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1answer
256 views

Get Chord Name From a Given Set of Notes

I am trying to come up with an algorithm that gets the proper chord name given certain Notes, user may or may not inform which from the notes is the root. I suppose that the process in recognizing a ...
2
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1answer
66 views

What is the harmonic function of this?

What is the harmonic function of the boxed beat in the fourth measure?
4
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3answers
274 views

Are extended chords assumed to have each extended interval below it and a 7th? [duplicate]

For instance, is a 13th chord assumed to have an 11th, 9th, 7th, 5th and 3rd along with it unless otherwise noted? And a 9th is assumed to have a 7th along with the triad, an 11th is assumed to have a ...
3
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2answers
94 views

Where to get the chords of a song in roman numerals instead of regular chords

In web pages like https://www.ultimate-guitar.com/ you get the chords of a song (see this for an example). And that's enough if you are aiming to be a campfire guitar player. But when looking for ...
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7answers
2k views

Using chord iii in a chord progression (major key)

I haven't come across music as yet where chord iii is used in a chord progression. I read somewhere that generally chord iii is not used, or very rarely used. Is this correct? If chord iii is used, ...
4
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2answers
50 views

Use of sharps and flats when writing altered notes to chords in key

A quick question about the conventions of writing music. I have a song I am working on where I am going from a G major to a F#-b9. The song is in G major for most of it before going into a middle ...
1
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1answer
143 views

♭VII-I Cadence, ♭III-I Cadence: Name?

I've gone through a bunch of ♭VII-I and ♭III-I cadences in rock music. In C major, they are B♭-C and E♭-C. Is there a specific name for the two cadences? So far, I've been calling them authentic ...
11
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3answers
2k views

Analyzing an unfamiliar Roman numeral analysis: Cm/G-G notated as V6/4-5/3?

I was following a question, Tips on how to add non-diatonic chords to my music, and one of the answers introduced a chord progression involving different non-diatonic chords, with an audio sample. As ...
1
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1answer
58 views

Analysing harmony in music [closed]

I've read books like Theory of Harmony, Tonal Harmony, The Complete Musician, and just started reading structural functions of harmony. But I still find myself confused on those weird out-of-key ...
5
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1answer
135 views

Are there J.S. Bach pieces that do not start with the tonic chord?

I know some simple pieces where the initial phrase starts in the IV chord or the V chord, but I'm wondering if Bach used to do that.
6
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2answers
133 views

Letters m, n and v above roman numerals in functional harmony notation

I'm reading a functional harmony textbook and found the notation in the following passage confusing: Consecutive VI and VII degrees in melody are harmonised with chords IV-VII6 (in minor: IVm-VII6) ...
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3answers
183 views

Does this transition have a name?

I'll try to explain this to the best of my knowledge, if I've misunderstood any concepts please do correct my misunderstanding; I became disinterested in music theory as a freshman in high school, and ...
0
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2answers
90 views

How do certain chords get such prominent names?

A musician friend just mentioned that "F major is my favourite chord (or tonality)". Regardless whether it makes sense to have a "favourite" chord, this got me thinking. There must be many, many ...
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5answers
574 views

Are all diatonic chords in the diminished scale diminished?

I think there's some confusion about the definition of the word 'diatonic'. I'm not using it here to refer to the the prominent primal pattern of the heptatonic scale that has a group of two and three ...
0
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3answers
123 views

Choosing appropriate accompaniment chords for a waltz melody

I wanted to write a simple 'classical sounding piece' of music and I find that waltz is the easiest as I have trouble finding chords. I wrote this simple meoldy in A melodic minor but I can't seem to ...
0
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2answers
181 views

Exhaustive list of chord (at least triad and dom7) functions for a software ear training tool

So a few month ago I started working on this side-porject aiming to create a simple ear training tool that was really unique in that 99% of other tools that I found online used interval recognition or ...
3
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3answers
94 views

Is there a way to notate octaves for chords?

Say I wanted someone to play a C major triad in the 4th octave at one point in a song I've written, while I wanted them to play the same chord (a C major triad) in the 5th octave instead of the 4th at ...
3
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3answers
294 views

What is meant by perfect, imperfect consonance and dissonance?

I'm assuming that perfect consonance to imperfect consonance to dissonance, would be the measurement of consonance to dissonance within an octave? Or is there more than meets the eye within this ...
2
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1answer
44 views

Pivot chord but different scale. ( Ex. G; C and C; C ) is it possible to use them as a pivot chord to one another?

Even though the scales are different, G; C - lydian , C; C - Ionian . Is it possible to use this as a pivot chord to modulate to one another ? If it is possible, how ?
0
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5answers
231 views

Labeling half-diminished seventh chords - [X]m7♭5 or [Y]m6?

On my older question Are the diminished chords not that common in modern popular music?, I got this answer: "The half-diminished (or m7♭5) is usually suggested as the diatonic chord on the 7th ...
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1answer
117 views

What is Pat Martino's Diminished Concept? [closed]

Is the basic principle of Pat Martino's Diminished Concept for chord construction anything more than simply altering diminished chords?
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5answers
2k views

13th chords on guitar

I am learning how to build chords. As I understand the 13th chord contains 1, 3, 5, 7, 9, 11, 13 interval. For Cmaj13 for example its gonna be C, E, G, B, D, F, A notes. I see many 13th chord ...