Cha-Cha-Chá (a.k.a. Calzada De Cerro) in A
Cha-Cha-Chá (a.k.a. Calzada De Cerro) in A
Cha-Cha-Chá (a.k.a. Calzada De Cerro) in A: Jesús "Chucho" Valdés's minor cha-cha-chá. Dorian and Harmonic Minor scales give this groove its characteristic dark edge. Chords: Bm7b5 – E7#11 – AmMaj7 – D9 – Dm7 – G9 – Em7b5 – A7b9 – Dm9 – Cm7 – F9 – E7b9 – Am7 – D7 – Bm7 – E9.
Cha-Cha-Chá (a.k.a. Calzada De Cerro) 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 B to E (ascending perfect fourth), E to A (ascending perfect fourth), A to D (ascending perfect fourth), D to D (ascending unison), D to G (ascending perfect fourth), G to E (descending minor third), E to A (ascending perfect fourth), A to D (ascending perfect fourth), D to C (descending whole step), C to F (ascending perfect fourth), F to E (descending half step), E to A (ascending perfect fourth), A to D (ascending perfect fourth), D to B (descending minor third), B to E (ascending perfect fourth). 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 E to B 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.