Major triad chords for guitar ( R + 3 + 5 ) Triads are chords containing three notes: the root, third and fifth. Ex: C = C + E + G,　　F = F + A + C,　　G = G + B + D 　　 　　 Minor triad chords for guitar ( R + b3 + 5 ) Triads are chords containing three notes: the root, third and fifth. Minor triads are similar to major triads except for a minor third. Ex: Dm = D + F + A,　　Em = E + G + B,　　Am = A + C + E 　　 　　 Suspended(sus) chords for guitar ( R + 4 + 5 ) Sus4 chords have no third, which is "suspended" (sus = suspended) and replaced by a fourth. A variant of the sus-chord is the sus2, where the third is replaced with a second. The sus-chords are neither major nor minor chords. Ex: Csus4 = C + F + G,　　Gsus4 = G + C + D 　　 　　 maj7 chords for guitar ( R + 3 + 5 + 7 ) The maj7 chord is a major triad plus a major seventh (maj7 = major seventh). Ex: Cmaj7(CM7) = C + E + G + B,　　Fmaj7(FM7) = F + A + C + E 　　 　　 7th chords for guitar ( R + 3 + 5 + b7 ) The 7th chords are chords made up of a major triad plus a minor seventh, also known as dominant seventh chords. Ex: G7 = G + B + D + F 　　 　　 Minor 7th chords for guitar ( R + b3 + 5 + b7 ) The minor seventh chord is a minor triad plus a minor seventh. Ex: Dm7 = D + F + A + C,　　Em7 = E + G + B + D,　　Am7 = A + C + E + G 　　 　　 -- 火是摇滚，枪是吉他！ 我要从我的吉他弹出摇滚的火焰， 让那些冰冷的心熊熊的燃烧！！ Ｆｉｒｅ　Ｇｕｎｚ 一条　诚 http://www.wretch.cc/album/shin696 --

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