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Major Chords (Triads)
Major chords, or triads as shown below, are three tones played as a group formed from intervals of thirds. Chords, when in their original (root) position, are named by the bottom tone - the root. Major chords are determined to be major by distance from the root to the third (second tone) being four half steps. A Major Chord is also determined by using the first, third, and fifth tones of a Major Scale.
C = C - E - G
C# = C# - E# - G#
D = D - F# - A
Eb = Eb - G - Bb
E = E - G# - B
F = F - A - C
F# = F# - A# - C#
Gb = Gb - Bb - Db
G = G - B - D
Ab = Ab - C - Eb
A = A - C# - E
Bb = Bb - D - F
B = B - D# - F#
Cb = Cb - Eb - Gb
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