La Cumparsita in A

La Cumparsita in A

Gerardo Matos Rodríguez compuso 'La Cumparsita' en 1917 siendo estudiante universitario en Montevideo. Es el tango más conocido del mundo: la melodía de Sol menor ha sido grabada más de 2.000 veces. Roberto Firpo, Gardel y Piazzolla la interpretaron. El título viene de 'comparsa', el desfile de carnaval: una procesión de melancolía rioplatense.

La Cumparsita 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 A to E (descending perfect fourth), E to C (descending major third), C to D (ascending whole step). 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 D to A 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.