14 reactions | Triad piano chords in the key of G major (based on the G major scale). G major scale is G, A, B, C, D, E, F#, G. Chord pattern for major scale is major, minor, minor, major, major, minor, diminished. Chords are G major, A minor, B minor, C major, D major, E minor and F# diminished. Chords I, ii, iii, IV, V, vi and vii in the key of G on piano. | Piano-Keyboard-Guide.com | Facebook