Barbara in A

Horace Silver(1974)swing
Do Re MiC D E
A
B
E6♭9
D6♭9
E6♭9
Em7/A

Chord Diagrams — Barbara in A (Guitar)

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Barbara in A

Key of A

A major is a rock and blues cornerstone. The open A string delivers a strong root, while both E strings ring as the fifth. Classic A-D-E progressions practically play themselves with open cowboy chords. The open high E is the fifth, reinforcing power. A is a beginner-level key on guitar because the open A string is the root and the open E strings provide the fifth above and below, creating a massive low-end anchor. Beginners will find this key approachable since most chords use open voicings with minimal stretching.

Voice Leading

The bass line moves through E to D (descending whole step), D to E (ascending whole step), E to D (descending whole step), D to G (ascending perfect fourth), G to C (ascending perfect fourth), C to B (descending half step), B to E (ascending perfect fourth), E to C# (descending minor third), C# to F# (ascending perfect fourth), F# to C (ascending tritone), C to F (ascending perfect fourth), F to A (ascending major third), A to G (descending whole step), G to F (descending whole step). A half-step bass movement creates a strong leading-tone pull that demands resolution. The root motion by larger intervals (fourths and fifths) gives each chord change a strong, decisive character. When the progression loops, the bass returns from F to E by half step.

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.

swing3/4 · 52 bars · Form: AB

Chords: E6♭9, D6♭9, Em7/A, Dm7, G7, C, Bm7, E7, C♯m7, F♯7, Cm7, F7, A9, G9, F9.

Scales for Improvisation A bebop, A bebop major.

Diatonic chords: See all chords in the key of A