Rico Vacilon in B

Rico Vacilon in B

Rico Vacilon in B: Rosendo Ruiz's cha-cha-chá. Mixolydian and Major Pentatonic scales bring out the groove and energy of these changes. Chords: B6 – F#7 – B – Cdim7 – D#7 – G#m – C#7.

Rico Vacilon in B

B major mixes barre and open elements. The B chord itself is a barre at fret 2, but E and A are comfortable open chords forming the IV and V. The open B string rings as the root, allowing creative drone-based arrangements. B is a intermediate-level key on guitar because the open B string rings as the root and the open E strings provide the 4th — useful for sus4 voicings and drone effects. This key mixes open and barre shapes, making it a good intermediate challenge that builds fretboard fluency.

Voice Leading

The bass line moves through B to F# (descending perfect fourth), F# to B (ascending perfect fourth), B to C (ascending half step), C to D# (ascending minor third), D# to G# (ascending perfect fourth), G# to C# (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 C# to B by whole step.

Scales for Improvisation

B 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, B Mixolydian adds the flat seventh for an authentic blues-rock edge.