Coisa Feita in A

Coisa Feita in A

Coisa Feita in 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 C to F (ascending perfect fourth), F to A# (ascending perfect fourth), A# to A (descending half step), A to D (ascending perfect fourth), D to D (ascending unison), D to G (ascending perfect fourth), G to G (ascending unison), G to C (ascending perfect fourth), C to C (ascending unison), C to G (descending perfect fourth), G to F (descending whole step), F to C# (descending major third), C# to C (descending half step), C to C (ascending unison), C to D# (ascending minor third), D# to D (descending half step), D to C# (descending half step), C# to C (descending half step), C to D (ascending whole step), D to A (descending perfect fourth), A to G# (descending half step), G# to E (descending major 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 E to C by major 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.