Airegin in A

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

Chord Diagrams — Airegin in A (Guitar)

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Airegin 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 C# (descending perfect fourth), C# to F# (ascending perfect fourth), F# to B (ascending perfect fourth), B to B (ascending unison), B to B (ascending unison), B to D# (ascending major third), D# to G# (ascending perfect fourth), G# to C# (ascending perfect fourth), C# to D (ascending half step), D to G (ascending perfect fourth), G to C (ascending perfect fourth), C to C# (ascending half step), C# to F# (ascending perfect fourth), F# to B (ascending perfect fourth), B to E (ascending perfect fourth), E to A (ascending perfect fourth), A to G# (descending half step), G# to C# (ascending perfect fourth), C# to A (descending major third). 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 A to F# 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 · 28 bars · Form: AB

Chords: F♯m, C♯7♯9, F♯7♯9, Bm, B, Bm7, D♯m, G♯7, C♯Maj7, Dm, G7, CMaj7, C♯m7, F♯7, BMaj7, E7, AMaj7, G♯m7♭5, C♯m7♭5, A.

Scales for Improvisation A bebop, A bebop major.

Diatonic chords: See all chords in the key of A