Billie's Bounce in La#

Billie's Bounce in La#

Charlie Parker's fast blues remains one of bebop's most exhilarating proving grounds, demanding Mixolydian, Blues, and Bebop Major fluency over a relentless A# groove. The quick harmonic rhythm accelerates ear training and phrase construction under pressure. Drilling the A#7 – D#7 – Fm7 – Edim7 – Dm7 – C#m7 – F#7 – Cm7 – F7 – G7 changes develops speed, accuracy, and rhythmic conviction in equal measure.

Billie's Bounce in La#

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 D# (ascending perfect fourth), D# to F (ascending whole step), F to E (descending half step), E to D (descending whole step), D to C# (descending half step), C# to F# (ascending perfect fourth), F# to C (ascending tritone), C to F (ascending perfect fourth), F to G (ascending whole step). 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. Over dominant seventh chords, A# Mixolydian adds the flat seventh for an authentic blues-rock edge.