Brasileiro in A#

Brasileiro in A#

Brasileiro in A#

A# (Bb) major requires barre chords rooted at fret 1 on the A string or fret 6 on the E string. Despite the barre demands, it is a common key in funk, New Orleans R&B, and brass band music. The open D string can ring as the major third for added color. A# is a intermediate-level key on guitar because the open D string is the major 3rd of Bb, adding a bright color if allowed to ring. Expect to rely on barre chords throughout, which builds hand strength and unlocks the entire fretboard.

Voice Leading

The bass line moves through A# to G# (descending whole step), G# to D# (descending perfect fourth), D# to C# (descending whole step), C# to C# (ascending unison), C# to B (descending whole step), B to D (ascending minor third), D to D (ascending unison), D to A# (descending major third), A# to A (descending half step), A to G (descending whole step), G to A (ascending whole step), A to G (descending whole step), G to G (ascending unison). 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 G to A# by minor 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. Use the Lydian mode (raised 4th) over the IV chord for a dreamy, floating quality that lifts the harmony.