Mercy, Mercy, Mercy in B

J. Zawinul(1966)swing
Do Re MiC D E
A
E7/B
E7/B
E7/B
E7/B

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

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Mercy, Mercy, Mercy in B

Key of B

B major mixes barre and open elements. The B chord itself is a barre at fret 2, but E and A are comfortable open chords forming the IV and V. The open B string rings as the root, allowing creative drone-based arrangements. B is a intermediate-level key on guitar because the open B string rings as the root and the open E strings provide the 4th — useful for sus4 voicings and drone effects. This key mixes open and barre shapes, making it a good intermediate challenge that builds fretboard fluency.

Voice Leading

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

Scales for Improvisation

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

swing4/4 · 20 bars · Form: A

Chords: B7, E7, E7/B, F♯7, B, C♯m7, D♯m7, G♯m, F♯, G♯m7.

Scales for Improvisation B bebop, B bebop major.

Diatonic chords: See all chords in the key of B