Mercy, Mercy, Mercy in A#

J. Zawinul(1966)swing
Do Re MiC D E
A
D♯7/A♯
D♯7/A♯
D♯7/A♯
D♯7/A♯

Chord Diagrams — Mercy, Mercy, Mercy in A# (Guitar)

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Mercy, Mercy, Mercy in A#

Key of A#

A# (Bb) major requires barre chords rooted at fret 1 on the A string or fret 6 on the E string. Despite the barre demands, it is a common key in funk, New Orleans R&B, and brass band music. The open D string can ring as the major third for added color. A# is a intermediate-level key on guitar because the open D string is the major 3rd of Bb, adding a bright color if allowed to ring. Expect to rely on barre chords throughout, which builds hand strength and unlocks the entire fretboard.

Voice Leading

The bass line moves through A# to D# (ascending perfect fourth), D# to D# (ascending unison), D# to F (ascending whole step), F to A# (ascending perfect fourth), A# 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 A# by minor third.

Scales for Improvisation

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

swing4/4 · 20 bars · Form: A

Chords: A♯7, D♯7, D♯7/A♯, F7, A♯, Cm7, Dm7, Gm, F, Gm7.

Scales for Improvisation A# bebop, A# bebop major.

Diatonic chords: See all chords in the key of A#