Do Re MiC D E

Cotidiano

Buarque Chico4/4samba
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G7/B♭
F♯7/A
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G7/B♭
F♯7/A
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G7/B♭
F♯7/A
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G7/B♭
F♯7/A
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G7/B♭
F♯7/A
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G7/B♭
F♯7/A
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G7/B♭
F♯7/A
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Chord Diagrams — Cotidiano in B (Guitar)

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Cotidiano in B

Key of 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 D to F (ascending minor third), F to B (ascending tritone), B to A (descending whole step), A to G (descending whole step), G to F# (descending half step), F# to C# (descending perfect fourth), C# to A# (descending minor third). 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 A# to D by major third.

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.

samba4/4 · 86 bars · Form: AB

Chords: Ddim7, Fdim7, Bm7, A7, G7/B♭, F♯7/A, C♯m7♭5, A♯dim7.

Scales for Improvisation B bebop minor, B bebop.

Diatonic chords: See all chords in the key of B