The theory behind building and naming chords.

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135 views

Confused about diminished chords for guitar

I came across several guitar chords which seem to be 'diminished' chords: X° X°7 Xø Xø7 I read some articles that might provide useful informating, including the Dutch Wiki article Chord (music), ...
4
votes
1answer
60 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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vote
2answers
75 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, ...
4
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5answers
98 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 ...
5
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3answers
136 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 ...
15
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1answer
1k views

Am I allowed to add a b9 to a maj7 chord in Jazz?

On Jazzology chapter 2, exercise 6, example 2, I have to identify this chord (if it exists): I thought that it was Cmaj7(b9). My train of thought was (from the lowest to the highest note): C -> ...
6
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2answers
304 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 ...
6
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1answer
582 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?
8
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1answer
163 views

What is the theory behind a chord progression like E, Bm, C#, A#, G and B?

I was playing the chords from Pyramania by The Alan Parsons Project. In the verse from 0:17 the chords are E, Bm7, E, Bm7, C#, A#, G, B. I get the first four chords, E and Bm7 fit in the same scale. ...
8
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7answers
2k views

Do power chords have some kind of function/meaning?

Every guitar player runs into these at least once (and probably way more often, too): power chords. This is a general term for chords consisting of the root note, the fifth, and an octave. In most ...
6
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5answers
304 views

Proper symbol for this chord (1 5 7 9 11)?

I'm a songwriter in the jazz-pop idiom, and when playing through a chart with a guitarist, he told me that, in his opinion, I had labeled a chord inaccurately / incorrectly. Here's the chord as I ...
8
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2answers
484 views

Max Size of a Chord

I was recently looking at the the definition of a chord and got me thinking about the max size of a chord. A chord, in music, is any harmonic set of three or more notes that is heard as if ...
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2answers
107 views

What is this Chord Notation?

I know how to read Roman Numerals for chord progressions. But I've seen something recently I don't understand. I've attached an image below. What are those sub/post-strip's?
4
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2answers
71 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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3answers
329 views

How do I find the third of the chord?

This is the exercise I'm trying to figure out. I don't really understand how to do this.
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2answers
155 views

Naming convention for augmented 6th chords

There are three types of Augmented 6th chord the German, the Italian, and the French. Most chords are named for the intervals they contain or their function, but these seem like just arbitrary names ...
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2answers
73 views

maj6 (no 5) or inverted minor triad?

An interesting three-note chord is the following on guitar (in standard tuning): ...
5
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1answer
168 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 ...
6
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1answer
147 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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3answers
142 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 ...
6
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6answers
536 views

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 ...
15
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3answers
776 views

Why does a Cm13 chord use A instead of Ab?

Why, if the 13th (or, the 6th) of a C minor chord is Ab, and not A.
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3answers
113 views

How to analyze chord progressions in tonal music?

I've been told that you have to analyze progressions according to the key at the end, despite how many keys/tonality that precede it. Is this true? If a composition contains one key in long duration ...
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4answers
103 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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4answers
501 views

Chord analysis: b13 or #5

I've come across an exercise in the Jazzology "jazz theory" book, where the chord should be identified, given the notes below: I identified it as a B7#5#9, but the answer was B7#9b13. I'm guessing ...
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4answers
237 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 ...
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2answers
123 views

How do I determine the first chord of a piece?

I am reading over a score that begins with some sort of chord. The notes are (all concert notes): Bb, C, A, G, D, F, E, Eb. The piece is in Eb Major I believe. I would like to know both what the chord ...
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3answers
198 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 ...
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1answer
179 views

Does F Minor have any happiness without C minor [closed]

Okay I have noticed feelings in minor chords and thus scales change with dynamics and tempo. A minor, E minor, B minor all have a peaceful feeling at average tempo and joyful feeling at fast tempo. ...
3
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4answers
225 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 ...
9
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5answers
830 views

Are there any enharmonic chords?

Will I even encounter any enharmonic chords? For example would an inverted variation of one chord be equivalent to the root variation of another chord?
5
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5answers
653 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 ...
10
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6answers
174 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 ...
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1answer
139 views

Memorizing diatonic chord progressions in a tune

Let's say that the tune is mostly in Aeolian mode. I found that I keep forgetting the changes because when I think V it is not a chord I used to associate with this number and I find myself ...
2
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3answers
228 views

Why some musicians insist on naming notes using odd numbers?

I keep hearing that naming chord note a 4th or 6th is wrong. To me, it is just number for note from given ascending collection, but some musicians insist it should be counted using triads, and ...
8
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2answers
208 views

What is the meaning of '/5+' in a chord?

I'm trying to learn this song in piano: http://tabs.ultimate-guitar.com/a/antonio_carlos_jobim/corcovado_crd.htm What does /5+ or /5- means? Example: Abm6/5+ Does it mean bass is the fifth ...
2
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1answer
98 views

music theory on a minor chord and how long to hold each chord when creating a song. [closed]

i know that for a major chord the ones that sound best are the 1st 4th n 5th though what bout for a minor chord. Does that rule still apply. I would also like to humbly ask for a simplified way to ...
6
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3answers
2k views

Classical music theory notation for chord inversions

In classical music harmony analysis, we see the chord inversions notated like I6/4, I6, V4/3. Examples: What are those numbers? How do they define the inversion? What's the theory behind using ...
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3answers
240 views

Why are two pitches considered a chord?

According to Wikipedia, a chord is any harmonic set of two or more notes that is heard as if sounding simultaneously. But I always thought that two notes aren't a chord, they are an interval. ...
6
votes
1answer
438 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 ...
3
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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?
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2answers
127 views

What are the notes in a 11th chord?

Does a chord like C11 contain (apart from 1st, 3rd, 5th) the 7th and the 9th? Or I can just play the 3rd, 5th and the 11th and the root? I have the same question with chords like C9 and C13.
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2answers
152 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 ...
4
votes
4answers
356 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 ...
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2answers
299 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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2answers
237 views

What is a “D-10” Chord?

I found a Paul McCartney Song..."Maybe I'm Amazed"... that showed a chord that still has me stumped: D-10 is the name of the chord Now, I understand that most chord names are 'even' (as opposed to ...
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7answers
1k views

Why does the dominant chord contain a flattened 7th?

Why does the dominant chord contain a flattened 7th while this tone is not even in the scale? Let's take for example a C7 chord. It is a 1-3-5-b7 (C-E-G-Bb). But the C major scale does not contain Bb. ...
4
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5answers
632 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 ...
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3answers
689 views

What are the ways to play chords on black keys? [closed]

I want to play chords using black keys on piano. But i have no idea about it. Please describe me how can i play it.
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2answers
287 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 ...