Oleo in A

Sonny Rollins(1954)swing
Do Re MiC D E
A
B
A/C♯
A/E
A/C♯
A/E

Chord Diagrams — Oleo in A (Guitar)

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Oleo 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 F# to A (ascending minor third), A to E (descending perfect fourth), E to B (descending perfect fourth), B to A (descending whole step), A to D# (ascending tritone), D# to D (descending half step), D to A (descending perfect fourth), A to C# (ascending major third), C# to B (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 B to F# by perfect fourth.

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 · 25 bars · Form: AB

Chords: F♯7, A, E7, Bm7, A/C♯, D♯dim, D, A/E, C♯7, B7.

Scales for Improvisation A bebop, A bebop major.

Diatonic chords: See all chords in the key of A