Mercy, Mercy, Mercy in D

J. Zawinul(1966)swing
Do Re MiC D E
A
G7/D
G7/D
G7/D
G7/D

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

Display
FingerNoteDegree

Mercy, Mercy, Mercy in D

Key of D

D major is one of guitar's most resonant keys. The open D string acts as a droning root, and the open A string provides the fifth. This gives D-based strumming a wide, ringing quality that flatpicks and fingerpicks love. D is a beginner-level key on guitar because the open D and A strings provide a powerful bass foundation, and the open high E is the 2nd scale degree adding brightness. Beginners will find this key approachable since most chords use open voicings with minimal stretching.

Voice Leading

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

Scales for Improvisation

D 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, D Mixolydian adds the flat seventh for an authentic blues-rock edge.

swing4/4 · 20 bars · Form: A

Chords: D7, G7, G7/D, A7, D, Em7, F♯m7, Bm, A, Bm7.

Scales for Improvisation D bebop, D bebop major.

Diatonic chords: See all chords in the key of D