LATENT REFERENCES / TAG2
Triad Chords
Original title: トライアドコード
This reference note belongs to Tag2 in Latent References, an archive curated by Keigo Yoshida. Its archive region is GPT. The note preserves its source text and links so that readers can trace the material behind the 3D map.
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Major M, minor m, augmented aug, diminished dim.
Augmented chords are spice
The 4 triad types have a total of 48 chords, taking each of the 12 notes within 1 octave as a root.
The root note is the lowest of the 3 chord notes.
There is a foundational chord called the key.
The key determines the 7 usable chords, the diatonic chords.
The key is either major or minor.
Using notes outside the diatonic scale is called modulation.
メジャーM、マイナーm、オーギュメントaug、ディミニッシュdim
オーギュメントはスパイス
4つのトライアドコードは1オクターブ内の12音をそれぞれルートにして合計48ある。
ルート音は3つの和音の1番下の低い音。
キーという基本となるコードがある。
キーを基に使用できる7つのコード、ダイアトニックコードが決まる。
キーはメジャーかマイナーのどちらか。
ダイアトニック以外を使用することを転調という。
Source updated 2024-01-02 · Snapshot 2026-10-08
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