Do Re MiC D E

Spiral

Coltrane John4/4medium-up-swing
F/D
E/D
D♯/D
D/D
C♯/D
E7♭13
F/D
E/D
D♯/D

Chord Diagrams — Spiral in A (Guitar)

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Spiral 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 E (descending half step), E to D# (descending half step), D# to D (descending half step), D to C# (descending half step), C# to C (descending half step), C to F (ascending perfect fourth), F to E (descending half step), E to A (ascending perfect fourth), A to B (ascending whole step), B to E (ascending perfect fourth), E to D (descending whole step), D to G (ascending perfect fourth), G to F (descending whole step), F to C (descending perfect fourth), C to D# (ascending minor third). A half-step bass movement creates a strong leading-tone pull that demands resolution. The predominantly stepwise bass motion creates smooth, connected voice leading. When the progression loops, the bass returns from D# to F by whole 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.

medium-up-swing4/4 · 44 bars · Form: ABA

Chords: F/D, E/D, D♯/D, D/D, C♯/D, C, Fm, E7♭13, Am, Bm7♭5, E7♭9, Dm7, G7, F7, Cmaj7, D♯maj7.

Scales for Improvisation A bebop minor, A bebop.

Diatonic chords: See all chords in the key of A