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Questions tagged [chord-theory]

For questions about the theory behind building and naming chords.

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Mirror chords theory

I was checking a video about this subject and came across a question: when I have a lower chord like C2 G Bb D and as mirror D F# A E what determines that the mirror chord starts in D when the next ...
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Why is the first inversion of a C Major Chord very rarely used on guitar even though it is easier to play?

The open C Major Chord is one of the first basic chords taught to beginning guitar students. It is also one of the most common chords I see in the music I listen to. The instruction books teaching ...
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Do major triad chord notes depend on the key? Key=E, Emaj=EG#B vs Key=C, Emaj=EGB?

I came across something odd shown in the picture below. (What this is from is not very relevant, but in case your interested: I'm building a simple phone app that would allow me to practice ...
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4answers
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Hearing Chord Progressions

Are chords divided amongst instruments or are they played on one instrument? I read an article online when searching for tips on hearing chords changes that read: " The most direct way to figure out ...
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analyzing Hisaishi Joe's “Village in may ” 3

( Picture 1 ) ( Picture 2 ) I already solved the question mark on Gm in picture 1. What I want to know is after the last measure on picture 1 (C/E,C7) How could you go to A7 from C7 ?? I heard it'...
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Ranking dominant chord alterations by dissonance

In a jazz chord progression, there are many ways to alter the extensions and notes in a dominant chord. Reasons for altering dominant chords are to add harmonic variety, to construct elegant and ...
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138 views

Does this chord change have a name?

I know of two songs that use this idea and I'm pondering from time to time for over 20 years now. One is ABBA, "Slipping through my fingers" at second 36: Bb, C, F, A The other one is Billy Joel's ...
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135 views

Understanding why these specific chords are played?

There's a song performed by Mimi Fox called "B-flat Blues" (as part of a True Fire course she presented). The Bb major scale is: Bb, C, D, Eb, F, G, A This would suggest (based on my understanding ...
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Computationally Determine 'Color Notes' of a Chord [closed]

If I have an arbitrary set of n notes of a chord to play, but can only play k of them, is there some way to programmatically determine which notes I could remove while maintaining most of the chord '...
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Is it possible to have a V65/I if the following 2 chords are V42/iv then iv6

I am a little stuck on the use of secondary dominants in relation to an assignment I have. I have posted the whole section for context, however I am confused on the first bar of the gm phrase. From ...
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How tell when chords are separate entities and not parts of one prevailing chord?

I have question about Michael Jackson's song - Another Part Of Me. Considering just first two measures (counting from drums) we have Eb in bass and this vamp playing chords composed of (to my ear) Bb-...
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Interpretation of this Chord Progression

Marshmello and Anne-Marie released a song called "Friends" this Friday. I was sitting at the piano and looked up the chords for the song to sing it. The song has the chord progression Amin-C-F-E for ...
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Are left hand chord patterns influenced by the time signature?

Does the time signature dictate what chord pattern you use on the left hand? For example, in "row your boat" a 6/8 time, I'll repeat the chord twice. So if I'm playing the 3 notes of the chord and ...
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1answer
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Chord Progression “Time” - Hans Zimmer

I was taking a look at the soundtrack for the Inception movie:"Time" by Hans Zimmer. Does anyone understand what kind of a weird progression he uses? I tried everything from cadential to sequential ...
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2answers
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How do I analyze this altered dominant chord?

In the key of C, what type of cadence and Roman numeral analysis would G B D# to C E G be? It's in John Thompson, "Hop O' My Thumb" measures 3 and 4.
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Analyzing Hisaishi Joe's Song “Reprise”

I was trying to analyze a song called "Reprise" from my favorite composer Hisaishi Joe and it really blew my mind how this song keep changing Keys and doing all this harmony techniques that I don't ...
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3answers
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Which chords trigger a romantic feeling? [closed]

I'm talking about a general field. Just as with most people, a D minor chord triggers a sad emotion, and C major triggers a happy one, are there chords that triggers romantic feelings in general? ...
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Why is a ♭5 chord not a “triad”?

If you look at the kinds of thirds and fifths, you immediately see six obvious combinations: minor third/diminished fifth minor third/perfect fifth minor third/augmented fifth major third/diminished ...
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A bunch of Questions [closed]

1st: Let's say we're in c minor, so the 5th Scale degree is G, does that mean that the Dominant of the Dominant is build from the G major or G minor scale? I think it's G Major because otherwise there ...
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120 views

Are there any pre-20th century examples of an augmented 6th chord with a leading tone?

In a discussion about blues music, a friend described the presence of both minor and major thirds in a dominant-seventh tonality as a blues innovation. I wondered if there were examples of dissonant ...
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3answers
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What implications do the formal rules of inversions have for suspended chords?

I understand about the relationship between run-of-the-mill suspended chords and inverting them. For example, I know a Gsus2 (GAD) is an inversion of Dsus4 (DGA). Whatever ADG ought to be called, ...
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Roman Numeral Chords with Slash

This chart has a listing for a chord V/1 and I'm having trouble interpreting this chord, specifically the "/1" part. I think the "/1" part might have one of the following meanings... "the base note ...
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1answer
557 views

How do I harmonize a C major scale in fourths and then apply negative/mirror harmony?

I recently tried using quartal harmony and mirror harmony (also known as "negative harmony") together. I was looking for some music theory that would inspire me to do something more unusual than I ...
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2answers
297 views

Is there a 5-7♭-1-4 chord?

I've encountered such a chord in a progression between a vi and IV and I couldn't quite figure out what it was supposed to be. I suppose it could be a v7 with a doubly diminished fifth or a I7 with an ...
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What do I name this chord?

When I'm warming up to play piano, I often play a little right-hand improv with the left hand sounding out the following chord sequence, over and over, then ending in a final Am: Am F G C F X E E7 ...
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3answers
93 views

Is Ab-D-Eb a sus4 chord?

Say I'm in C minor and want to use a VIsus4 chord. Do I use D as my sus4 note? I tried this and got a great, cinematic sound but I'm not sure it's called a sus4 as the interval is not a perfect fourth....
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Are E1 A1 C2 and A1 C2 E2 the same chords? [duplicate]

Are E1 A1 C2 and A1 C2 E2 chords the same and/or are in same tonality? I think that they have same sound quality by using same notes, but these are different chords as they have different intervals ...
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4answers
238 views

Is C minor i in the key of C minor?

If I write in c minor, is c the VI or the I? Also what about Dominant, tonic and that stuff, are they the same as in Eb major? Otherwise I could only write deceptive cadences in minor keys if I end on ...
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1answer
111 views

A#sus4 or A#add11 Chord?

Recently I bought a 6 string bass and I've been going through Steve Bailey's work. I was disecting A Chick From Corea and now I'm quite stumpted. There is a common phrasing that continuously happens ...
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5answers
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When a major 6th (or an octave thereof) is in a chord, when is the interval identified as a 6th vs. a 13th?

I'm not asking about obvious cases like regular 6th chords or extended chords with 13ths. For example, I'm clear that C E G A is a C6 chord. I'm also clear that C E G B♭ D F A is a C13 chord, (and yes,...
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Why do we only build 7th chords on the supertonic and dominant of a major scale?

I am just cracking into a book on basic Harmony (Mark Sarnecki, 2nd edition), and the first section begins with a review of the triads built on each degree of a C major scale, as shown in this picture....
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How to figure out which scale to play a specific chord in? [duplicate]

I am quite new to music theory so I might have the wrong view but from what I learned: With each key on the piano (ABCDEFG) you can construct a scale. So the E major scale, E# major scale, E minor ...
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2answers
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Can a song contain pitches outside of its intended key? [duplicate]

I'm new to music theory and am self teaching so I apologise if this has already been asked but I'd be extremely grateful if you could point me in the right direction. I'm trying to learn the best way ...
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4answers
482 views

what is the foundation of a chord progression

I know that the root note is the foundation of a chord. What is the foundation of a chord progression?
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122 views

Is there a way to determine the flatness (or sharpness) of the 4th note of a chord from its name?

I am learning Music Theory from several different sources and I am currently concentrating on intervals and moving into building chords using intervals. I am trying to find patterns in order to ...
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2answers
142 views

What do you call a minor triad with a 4th in the bass?

Is this chord still a minor triad if you use a 4th in the bass or does the chord change? Can anyone think of any examples in pop or rock music where this is used? thank you
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Do all triads keep their function when inverted?

Then I suppose another question would be, when you add the 7ths over the triads can those also be inverted without losing their harmonic purpose? thank you
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Does the dominant chord change its function if you add 11th interval?

If I play a dominant B7 chord on the guitar in open position notes B D# A B F# and release the F# at the top to give me a E note as well, does the chord stay a dominant B7 or does it change? My ...
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Chord Sequence Am-G-C-D in Tony Rice's Shenandoah

In the next link Tony Rice is playing in his first chord sequence Am - G - C - D. The song and the sequence is in the key of D. In the Key of D (tonic) we have A(major) as the dominant and G(major) as ...
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Nomenclature of diminished chords within diatonic harmony

I am currently writing a guide to use of diminished chords as linking chords in a diatonic progression in the key of G major. I have used the progression "Gmaj7 - G#dim - Am7 - A#dim - Bm7". It ...
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2answers
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What scale goes with the F#-7b5? I'm double checking what iRealPro has given

iRealPro is giving the following scale for the F#-7b5 chord (F# minor 7th chord with flat 5). F#, G, A, B, C, D, E Can someone confirm that this is a valid scale for this chord? I'm asking because I ...
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441 views

Four note chord?

So... I was wondering, what is a chord like C-E-G-C called? Is it a four note chord? I heard four note chords were sevenths (notes stacked in thirds). So how is this specific chord named?
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Descending Minor7♭5 Introduction/Motif Questions

Some jazz arrangements that I've heard use a motif(?) where a series of descending minor chords are played, starting on the #iv of the major scale. For example, in the key of D, the progression is as ...
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Can VI have a dominant function?

On this page I found the following: "The vi chord is used in this song as though it were a full-fledged sub-dominant (in the way it sets up the V chord) or even as a surrogate dominant — in the way ...
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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? ...
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Abbreviations for dominant seventh chords

I'm reading about dominant seventh chords and this is a summary of the notation that my book has introduced: After a few moments' thought, I can deduce the convention for denoting the different ...
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4answers
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In a piece in F minor, why is this chord written with C♭ rather than B♮?

I am playing from a Hal Leonard Latin Jazz piano book, and one thing confuses me: The song is in the key of Fm. On the left-hand chords, at one point, they mark a certain note as C-flat. I'm confused ...
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4answers
755 views

How to get lower in scale from A minor scale?

I am practicing on a song which is on A minor key.. The chords for song are Am, G, F, E.. But it feels difficult for me to sing on that scale as it goes further high even over my upper limits. So, I ...
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What to Play Over a Dominant 7#11?

I'm currently working on an arrangement of Christmas Time is here that is in the key of E. The first chord played in this arrangement is an Emaj7, followed by a D7#11 which is not diatonic to the ...
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What is the strict definition of any chord in the world?

I tried to look for something clear and unambiguous but I can't find it, or I'm missing something simple. The questions is: What do all chords have in common, and is there a set of rules allowing to ...