The theory behind building and naming chords.

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8
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3answers
639 views

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 ...
16
votes
3answers
1k views

Why are thirds used to construct chords?

I am (slowly) learning music theory on the guitar. I've begun learning about scales and chords, and it seems that all chords are built using some combination of thirds. For example, a minor triad is ...
8
votes
2answers
1k views

Why play out of scale notes as part of a chord?

So, I'm learning 'Stray Cat Strut' right now and came across something I'm not sure I understood. I have to say, I've only just begun to learn theory, so maybe that's why. Anyway, as far as I can ...
19
votes
1answer
8k views

What does a triangle mean in chord notation?

For example, what does the △ mean in C△7?
14
votes
2answers
915 views

Scale modification in sus2 and sus4 chords

I've recently been looking at what makes chords what, and hence my first target for this was looking at major, minor, sus2, and sus4 chords. I know major chords are made up of the first, the third, ...
11
votes
6answers
826 views

“slash” chords, e.g. B/F♯ - are these only for inversions, or can any note be the bass note?

I'm trying to work out whether it is technically correct to have a "slash" chord where the bass note is not one of the notes in the chord. I thought the main reason for slash chords is to show which ...
7
votes
4answers
2k 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 ...
10
votes
4answers
7k views

What are the feelings & emotions behind chords?

I studied some different books on Music Theory and all were too much scientific and definitely very helpful to some point. Now that I have started writing some songs, I feel I need to know more ...
15
votes
8answers
551 views

Can a chord contain both the C and C♯ notes? (as opposed to containing C and D♭ notes)

Can a chord contain both the C and C♯ notes? Or do you always have to use D♭ rather than C♯ in a chord that already contains the note C? I'm guessing the answer is no, both C and C♯ should not be ...
10
votes
10answers
3k views

What is the full list of possible chord names? Are there chords that don't have a name in chord theory?

My chord book covers 35 different chord types. When I look on the web or in other tools, all the same types of chords come up. But I don't think this is the "full" set of possible chords. I'm not ...
29
votes
6answers
2k views

What notes are optional in jazz chords?

I have a question on jazz chords, and what notes can be removed from the chord. My understanding is fairly superficial - mostly from what I've read in books. This is what I understand: In some ...