Mercy, Mercy, Mercy in G

J. Zawinul(1966)swing
Do Re MiC D E
A
C7/G
C7/G
C7/G
C7/G

Chord Diagrams — Mercy, Mercy, Mercy in G (Guitar)

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Mercy, Mercy, Mercy in G

Key of G

G major is the singer-songwriter's key. The open G, B, and D strings spell out the full G major triad with zero fretting. Add the open high E for a Gadd6 shimmer. Nearly every diatonic chord (Em, Am, C, D) has a comfortable open voicing. G is a beginner-level key on guitar because the open G, B, and D strings form a complete G major triad without fretting a single note, and the open low E adds a rich 6th color. Beginners will find this key approachable since most chords use open voicings with minimal stretching.

Voice Leading

The bass line moves through G to C (ascending perfect fourth), C to C (ascending unison), C to D (ascending whole step), D to G (ascending perfect fourth), G to A (ascending whole step), A to B (ascending whole step), B to E (ascending perfect fourth), E to D (descending whole step), D to E (ascending whole step). The predominantly stepwise bass motion creates smooth, connected voice leading. When the progression loops, the bass returns from E to G by minor third.

Scales for Improvisation

G major pentatonic works because every note is either a chord tone or a safe passing tone — there are no avoid notes. For soloing, this means you can play freely without clashing. Over dominant seventh chords, G Mixolydian adds the flat seventh for an authentic blues-rock edge.

swing4/4 · 20 bars · Form: A

Chords: G7, C7, C7/G, D7, G, Am7, Bm7, Em, D, Em7.

Scales for Improvisation G bebop, G bebop major.

Diatonic chords: See all chords in the key of G