1. Akor Dasar (Mayor) = I - III - V
contoh akor C mayor (C) = C - E - G
2. Akor Minor = I - IIIb - V
contoh akor C minor (Cm) = C - Eb - G
3. Akor Mayor 7 = I - III - V - VII
contoh akor C Mayor 7 (CM7) = C - E - G - B
4. Akor Dominan 7 = I - III - V - VIIb
contoh akor C dominan 7 (C7) = C - E - G - Bb
5. Akor Minor 7 = I - IIIb- V - VIIb
contoh akor C minor 7 (Cm7) = C - Eb - G - Bb
6. Akor Minor Mayor 7 = I - IIIb - V - VII
contoh akor C minor Mayor 7 (CmM7) = C - Eb - G - B
7. Akor Augmented = I - III - V#
contoh akor C augmented (Caug) = C - E - G#
8. Akor Half-Diminished = I - IIIb - Vb
contoh akor C half-diminished (Cdim) = C - Eb - Gb
9. Akor Suspended 2 / Suspended 4 = I - II - V atau I - IV - V
contoh akor C suspended 2 = Csus2 = C - D - G
contoh akor C suspended 4 = Csus4 = C - F - G
Paling tidak ini akor - akor yang sering dipakai. Ada pula akor panjang seperti C9 atau 11, tapi biasanya dipakai untuk lagu - lagu klasik gt. Semoga berguna untuk referensi belajar akor ya.